Non-recombinant
chromosomes
1.) What do the labels above represent? (for example: capital "A" versus lower-case "a", and
the different letters "A or B or C"?
2.) The crossing-over (regional exchange of genetic information) occurs between homologous
chromosomes. WHY is it critical that only homologous chromosomes exchange information?
3. Why is it important that crossing-over takes place between the chromosomes from two
different parents? (answer on back).
Answers
The labels above represent different alleles of genes located on chromosomes. It is critical that only homologous chromosomes exchange information during crossing-over because homologous chromosomes have similar genes in the same order.
The labels above represent different alleles (versions of a gene) that are located on the chromosomes. Capital letters represent dominant alleles, while lower-case letters represent recessive alleles. Different letters represent different genes, and their locations on chromosomes are also different.
It is critical that only homologous chromosomes exchange information during crossing-over because homologous chromosomes have similar structures and genetic content, making it possible for them to align and exchange segments of DNA. If non-homologous chromosomes were to exchange information, the resulting genetic material would be unstable and could lead to genetic disorders or other problems.
It is important that crossing-over takes place between chromosomes from two different parents because it increases genetic diversity in offspring. Each parent contributes one set of chromosomes, and crossing-over allows for the exchange of genetic information between these sets, leading to new combinations of traits. This is important for the survival of a species as it enables adaptation to changing environments and increases the chances of finding new beneficial traits.
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Related Questions
Read the following genetics topics below. Choose a topic and then decide what side you are on. Remember that there is no "right" or "wrong" side. Ethical questions often have many points of view. Research your topic and write a 400 word persuasive essay.
Topic 1: Should insurance companies have the right to learn the genetic profiles of the people they insure?
Topic 2: Should employers have the right to learn the genetic profiles of the people they hire? Are there special considerations for employees in jobs in which there is a high risk to others, such as airline pilots, doctors, or bus drivers?
Topic 3: Should scientists who identify genes and create new genetic engineering techniques have the right to patent their methods for their own profit?
Answers
Topic 1, Insurance companies should not have the right to learn the genetic profiles of the people they insure.
Genetic testing can reveal information about an individual's health risks and potential for developing certain diseases. While this information can be useful for personalized medical treatment and preventative care, it can also be used by insurance companies to discriminate against individuals based on their genetic profiles.
Allowing insurance companies to access genetic information could lead to discrimination in the form of higher premiums, exclusions from coverage, or even denial of coverage altogether. This could disproportionately affect individuals with genetic predispositions to certain diseases or conditions, making it more difficult for them to access necessary medical care and support.
Genetic information is highly personal and private, and individuals should have the right to control who has access to this information. Allowing insurance companies to access genetic information could set a dangerous precedent for the violation of individual privacy rights.
Instead, insurance companies should be required to base their underwriting decisions on objective, non-discriminatory factors such as age, gender, and lifestyle factors, rather than genetic information. This would help ensure that individuals are not unfairly penalized or denied coverage based on their genetic profiles.
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THE GLASS MENAGERIE questions PLEASE HELP ME THESE ARE DUE TODAY
Answers
The glass unicorn is a symbol for the shy daughter, Laura, in the play. Option D is correct.
The play in question is Tennessee Williams' "The Glass Menagerie," which tells the story of a family living in St. Louis during the Great Depression. The play centers around the character of Laura, who is shy and withdrawn due to a physical disability that makes her walk with a limp.
The glass unicorn is a delicate and rare piece in Laura's collection of glass animals, and it represents her own fragility and uniqueness. Like the unicorn, Laura is fragile and easily broken, and she feels isolated and disconnected from the world around her.
The glass unicorn also represents Laura's desire to be seen and understood for who she is, rather than being judged solely on her physical disability. This is highlighted in the play when Laura gives the glass unicorn to Jim, the gentleman caller, as a symbol of her own uniqueness and vulnerability. Option D is correct.
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this is due today can i get someone to answer this please?!?! just look at the picture and please justify your response
Answers
Blue whales are the largest animals on Earth. They can measure up to 110 feet long and weigh as much as 400,000 pounds. Blue whale babies are born big. They can weigh as much as 6,000 pounds at birth. They grow for one full year to reach their adult size.
Blue whales live in the ocean. They swim fast, which helps them catch food. Blue whales must eat up to 8,000 pounds of food each day. They eat tiny fish called krill. To eat, the whale opens its mouth and lets the krill swim in.
Once the krill are inside, the whale begins to close its mouth. It does not close the mouth the whole way, though. The whale shows its baleen. Baleen are long, strong hairs that act like teeth. The baleen allow the water to flow out. The baleen keep the krill in. The whale can then eat the fish.
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What do you call a surgical creation of an artificial excretory opening between the colon and the body surface
Answers
The surgical creation of an artificial excretory opening between the colon and the body surface is called a colostomy.
A colostomy is a surgical procedure that involves creating an opening in the abdominal wall and connecting a portion of the colon to the surface of the body. This allows waste material to be eliminated from the body through the opening, rather than through the rectum and anus.
Colostomies are typically performed on individuals who have had part of their colon removed due to disease or injury, or who have a condition that prevents waste from passing through the rectum and anus. The procedure can be temporary or permanent, depending on the individual's condition and the reason for the colostomy.
After a colostomy, individuals must wear a special bag, known as an ostomy bag, to collect waste material. The bag is attached to the opening in the abdominal wall and can be emptied or replaced as needed.
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A colostomy is the surgical creation of an artificial excretory opening between the colon and the body surface. An ileostomy is an alternative if a fecal pouch can't be created from the small intestine and sutured to the anus. These procedures alter the body's waste elimination process.
Explanation:The surgical creation of an artificial excretory opening between the colon and the body surface is called a colostomy. In this procedure, a part of the colon is brought through an incision in the abdominal wall, creating an opening or 'stoma'. This procedure is often necessary when certain conditions or diseases prevent the normal elimination of waste materials from the body.
At times, if a fecal pouch can't be created from the small intestine and sutured to the anus, an alternative called ileostomy is created by bringing the distal ileum through the abdominal wall, allowing the watery chyme to be collected outside. It's important to remember that these procedures significantly alter the way the body eliminates waste.
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The ________ of a protein is the specific order of amino acids that makes it up, but it needs to undergo much more modification before it is a finished protein.
Select one:
a.
mRNA
b.
primary structure
c.
tRNA
d.
DNA code
Answers
The precise arrangement of amino acids that make up a protein forms its main structure, but before a protein is considered complete, it must go through considerably more change.
The sequence of amino acids encoded in the DNA code determines the main structure, which is the building block of a protein. This sequence is initially translated into mRNA by tRNA before being translated again into a protein.
The final three-dimensional structure of the protein is formed after the primary structure is altered by procedures including folding, phosphorylation, glycosylation, and disulfide bridges. The biological activities of proteins are made possible by their three-dimensional structure.
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Most plant leaves take in more carbon dioxide as light increases. They give off carbon dioxide if light intensity is too low. The graph shows a plant's carbon dioxide levels at different lightintensities.Plant Carbon Dioxide at Different Light Intensities NetphotosynthesisCO, Exchange More carbon dioxide taken in by plantthan given off05,00010,00015,000-20,000 At point X, the rate of which process is equal to the rate of photosynthesis?
Answers
Point X represents the light intensity at which the plant's carbon dioxide levels are constant, which means that the rate of photosynthesis is equal to the rate of respiration. Photosynthesis is the process by which plants convert carbon dioxide and water into glucose and oxygen using energy from sunlight, and respiration is the process by which plants use oxygen to break down glucose and release energy.
At light intensities below point X, the rate of respiration is greater than the rate of photosynthesis, which means that the plant is giving off more carbon dioxide than it is taking in. At light intensities above point X, the rate of photosynthesis is greater than the rate of respiration, which means that the plant is taking in more carbon dioxide than it is giving off.
Therefore, at point X, the rate of respiration is equal to the rate of photosynthesis.
As humans, do our energy needs and obtaining of that energy differ from other animals
Answers
As humans, our energy needs and obtaining of that energy differ from other animals due to our ability to use technology and manipulate our environment to a greater extent than most other animals.
Humans have evolved to be able to extract energy from a wide range of sources, including plants, animals, and fossil fuels. We are able to do this in part because of our ability to use technology to process and manipulate our environment.
In contrast, most other animals rely on natural sources of energy, such as plants or other animals, and they are limited by their ability to physically obtain and digest those sources. For example, a lion can only obtain energy by hunting prey, and a cow can only obtain energy by grazing on grass.
Humans also have much higher energy needs than most other animals, in part because of our large brains and high levels of physical activity. This has led us to develop cultural practices and technologies that allow us to obtain and store large amounts of energy, such as agriculture, animal husbandry, and food preservation techniques.
Overall, while humans share many similarities with other animals in terms of our basic energy needs, our ability to use technology and manipulate our environment sets us apart and allows us to obtain energy in ways that are unique among animals.
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determine the correct sequence of RNA codons. ATG/CAT/TTC/TAG/CCG/AGC/AAA/GGC/AAA.
Answers
RNA codons should be in the following order: ATG-CAT-TTC-TAG-CCG-AGC-AAA-GGC-AAA. Adenine (A), guanine (G), cytosine (C), and uracil (U) are the three nucleotides that make up an RNA codon, which is one of the building blocks of proteins.
Each codon is made up of three of these bases, and when the codon sequence is read, an appropriate amino acid is transcribed. The start codon, ATG, marks the beginning of translation into a protein, whereas the stop codon, TAG, marks the completion of translation.
The codons in between that code for amino acids are CAT, which codes for histidine, TTC, which codes for phenylalanine, CCG, which codes for proline, AGC, which codes for serine, and GGC (coding for glycine). The codon AAA codes for lysine, and the codon AAA at the end is a stop codon, so the sequence will not be translated into any more amino acids
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Which energy pyramid best models energy flow in the texas gulf coast community
Answers
The trophic pyramid is the most effective energy pyramid for simulating energy flow in a community along the Texas Gulf Coast. The idea of energy flowing from one creature in a food chain to another is the foundation of this pyramid.
Plants, the major energy producers in the neighbourhood, make up the pyramid's foundation. Herbivores are found on the following level; they eat plants and pass the energy along. Carnivores make up the next level of the pyramid, which transfers energy to the apex predators at the top by eating herbivores.
As it adheres to the same energy transfer structure that exists in the Texas Gulf Coast community, this pyramid perfectly represents the energy flow there.
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24. A man that has an AB blood type has a child with a woman with type B blood. Can they have a type O child?
Use a punnett square or punnett squares to show your work.
Answers
No, they cannot have children with type O blood. The offspring can have blood type AB or B because the A and B alleles are dominant.
With blood type O, people are unable to become pregnant. Blood group O is recessive and needs two copies of the recessive gene, whereas blood groups AB and B have at least one dominant allele. A woman with blood type B has two alleles B, whereas a guy with blood type AB has one dominant allele A and one dominant allele B.
Thus, their final offspring will have blood type AB or B. The Punnett square showing this will have genotypes AB and BB as parents, with the resulting descendant genotypes AB and BB.
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Diagram 1 shows the fossilized remains of the lower portion of a camel's leg. Each subsequent diagram shows the same portion of a camel's leg, but the diagrams are from progressively later time periods. Diagram 4 shows the most recent fossil.
These diagrams demonstrate
A.
that fossils can show how a species changes over time.
B.
that all living organisms have increased in size over time.
C.
that modern camels have more toes than earlier species of camels.
D.
that fossils show how species stay the same over time.
Answers
The given diagram shows how the species changed over the period of time. Therefore, option "D" is correct. Fossils are imprinted evidence of the creatures present before humans. It helps in identification of the how they evolved during their life span.
This helps in identifying and putting them on the Tree of Life. This helps in finding the correlation between the species. Carbon dating is used to analyze the bones and imprints found and identify their age. Sedimentary rocks such as limestone, are the oldest and have fossils imprinted on them.
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using an example, explain how the predator-prey relationship shapes the biodiversity of an ecosystem
Answers
Wolves are predators that hunt moose for food, and moose are prey that are hunted by wolves. This relationship has important implications for the biodiversity of the ecosystem. If there were too many wolves and not enough moose, the wolf population would decline due to a lack of food. Conversely, if there were too many moose and not enough wolves, the moose population would grow rapidly and could damage the forest ecosystem by overgrazing.
However, when the predator-prey relationship is in balance, it can actually increase the biodiversity of the ecosystem. In our example, the presence of wolves helps to keep the moose population in check, which in turn allows other plant and animal species in the ecosystem to thrive. For example, if there were too many moose, they might overgraze the forest undergrowth, which could reduce the number of plant species in the ecosystem. By keeping the moose population in balance, the wolves help to maintain a healthy and diverse ecosystem.
Overall, the predator-prey relationship is an important factor in shaping the biodiversity of an ecosystem, as it helps to maintain a balance between different species and prevent any one species from dominating the ecosystem.
Read the section "The Snow On Mount Everest Contains Plastics." Which sentence from the section supports the conclusion
that researchers expected the snow on Mount Everest to be free of pollution?
A) But today it is known as the "world's highest junkyard" for the trash left behind by tourists and climbers.
B) But even the supposedly pure snow on Everest contains microplastics.
C) "It really surprised me to find microplastics in every single snow sample I analyzed," says scientist
Imogen Napper.
D) Napper led the work that measured the amount of microplastics in snow samples from Mount Everest.
Answers
Answer:
c
Explanation:
groups of biochemical in living things are; 3 in functions of each biochemical in the living his chemical ii amino acid mistry and how does it support the theory o -? 2 marks) ays (how) evolution occurs. (4 mks) e and contrast the Evolutionary Theory ain ideas of evolution by Natural selecti
Answers
Answer: There are several biochemical groups in living things, including carbohydrates, lipids, and proteins. Each group has its own unique function.
Explanation:
Carbohydrates are the primary source of energy in living things, while lipids serve as long-term energy storage and form the structure of cell membranes. Proteins, composed of amino acids, perform a wide range of functions in the body, including catalyzing chemical reactions and providing structural support.
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Biochemical groups, carbohydrates, lipids, proteins, amino acids, and functions.
What organism that does photosynthesis will you have in your aquaponics system?
Answers
Hello! In an aquaponics system, you can have various organisms that perform photosynthesis, such as algae, duckweed, and aquatic plants like watercress, lettuce, and basil. These organisms are important in the system as they convert carbon dioxide into oxygen, which is essential for the survival of the fish in the system. Additionally, they also help in removing excess nutrients from the water, thereby improving water quality.
What role does the U.S. Constitution play in creating local governments?
OA. It requires that all local governments have constitutions based on
the federal document.
B. It gives the states the authority to create any local governments
they need.
OC. It gives the federal government the power to create any type of
local government.
D. It specifies the types of local governments that can be created by
the states.
Answers
Many trees, like the one shown in the picture, have thick bark to protect against the cold winter in their environment.
Where do these trees live?
A. temperate deciduous forest
B. tropical rain forest
C. grassland
D. desert
Sessi
Answers
Answer: A. Temperate deciduous forest
Explanation:
Many trees with thick bark to protect against the cold winter in their environment live in temperate deciduous forests. These forests are characterized by trees that lose their leaves in the fall and regrow them in the spring, and they are found in regions with distinct seasons, including cold winters. The thick bark helps protect the trees from freezing temperatures, as well as from damage caused by ice, snow, and other harsh winter conditions. Other environments, such as boreal forests and alpine forests, also have trees with thick bark to protect against the cold.
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During transcription, which set of codons would bond with the RNA sequence AAUGCC
Answers
During transcription, the codons that would bond with the RNA sequence AAUGCC are UUA and CGG, because they are complementary.
What is base complementarity in nucleic acid interactions?Base complementarity in nucleic acids interactions is a fundamental issue since it ensures the realization of a variety of biological processes including transcription and translation as in this case where codons interact with the mRNA sequence to carry the genetic information during the synthesis of a protein.
Therefore, with this data, we can see that base complementarity in nucleic acid interactions is fundamental for translation.
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Mathematical and spatial reasoning capacities are especially likely to be linked with association
areas in the
O parietal lobes.
O temporal lobes.
O occipital lobes.
O frontal lobes.
Answers
Mathematical and spatial reasoning capacities are especially likely to be linked with association areas in the parietal lobes. Many cognitive processes, such as sensory processing, attention, language, and spatial cognition, are performed by the parietal lobes.
The interparietal sulcus and the superior parietal lobule are two association areas in the parietal lobe that are important for spatial and mathematical reasoning. These areas are in charge of processing visual and spatial information and combining it with other sensory and cognitive inputs, in order to conduct complex calculations and problem-solving activities.
Therefore, the correct option is A.
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explain how diseases affect biodiversity of a region
Answers
Answer:
It makes a region less biodiverse.
Explanation:
Some species may be affected and be killed off by the disease while others survive. This is the concept of natural selection, which means that the species that survive are all supposed to be adapted to be immune to the disease.
Which theory is more ageist?
Activity theory, Disengagement theory, or Continuity theory.
Answers
The disengagement theory is considered to be more ageist amongst the given theories.
The correct option is option B.
The disengagement theory basically suggests that as individuals age, they withdraw naturally from the social roles as well as activities, which leads to a decrease in their physical as well as mental functioning. This theory is considered ageist as it is implies that it is normal for aged people to disengage from social interaction.
The activity theory as well as the continuity theory say that older adults can and should continue to engage in meaningful activities as well as roles and this is because active participation in society can lead to better physical as well as mental health outcomes.
Hence, the correct option is option B.
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23. In humans colorblindness (b) is an example of a sex-linked recessive trait. In this problem, a male with
colorblindness marries a female who is not colorblind but carries the (b) allele. Using a Punnett square,
determine the genotypic and phenotypic probabilities for their potential offspring.
Genotype of offspring:
Phenotype of offspring:
Answers
The genotype and phenotype possibilities for a colorblind male with a carrier female offspring is: XcXc, XY, XcX, XcY.
colorblind male X carrier female
XcY XcX
| |
XcXc , XY , XcY , XcY
The sole X chromosome that males inherit from their mother is. They will suffer red-green color blindness if that X chromosome carries the red-green color blindness gene rather than a normal X chromosome. Two X chromosomes, one from the mother and one from the father, are present in females.
Red-green color blindness has a wide range of phenotypes. The OPN1SW gene on chromosome 7 is the site of mutations that cause blue color blindness (tritanopia; 190900). To describe the kind and nature of the cone deficiencies, one can use ERG flicker responses.
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what important structure is housed in the nuclues and directs the day to day activities of the cell
Answers
The important structure housed in the nucleus that directs the day-to-day activities of the cell is the DNA (deoxyribonucleic acid).
The DNA is a long, double-stranded molecule that contains the genetic information of an organism. It provides the instructions for the development, growth, and function of all living organisms. The DNA is responsible for the synthesis of RNA (ribonucleic acid) which in turn directs the synthesis of proteins, the building blocks of the cell.
The DNA is also responsible for the replication of itself, ensuring that genetic information is passed down from one generation to the next. The DNA is tightly packaged into chromosomes, which are located in the nucleus of eukaryotic cells.
Therefore, the DNA is considered the "blueprint" of the cell and plays a crucial role in the day-to-day activities of the cell.
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he viruses cannot pass through the cell wall so in order to infect the viruses have to be smaller than a? pore. vacuole. nucleus. ribsome.
Answers
The viruses cannot pass through the cell wall so in order to infect the viruses have to be smaller than a pore. Option A is correct.
The cell wall is a rigid structure that surrounds the cell membrane of many organisms, including plants, fungi, and bacteria. It provides structural support and protection to the cell, and it can also serve as a barrier to the entry of foreign substances, including viruses.
Viruses are infectious agents that require a host cell to replicate and spread. In order to infect a host cell, viruses must be able to penetrate the cell membrane, which is a phospholipid bilayer that is selectively permeable. However, viruses cannot pass through the cell wall, which is typically composed of cellulose, chitin, or peptidoglycan.
In order for viruses to infect a host cell, they must be small enough to pass through pores in the cell wall, or they must enter the cell through a wound or other opening. The size of the pores in the cell wall can vary depending on the type of organism and the specific structure of the cell wall. Option A is correct.
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Please help me! Through mRNA splicing during transcription, the ____ of the mRNA are kept, and the ____ of the mRNA are removed, leaving the final strand.
Select one:
a.
proteins, carbon structures
b.
introns, exons
c.
exons, introns
d.
introns, deletions
Answers
Exons and Introns is the proper response. The exons of the mRNA are preserved throughout the transcription process known as mRNA splicing, while the introns are eliminated to leave the final strand.
Exons are the portions of the messenger RNA (mRNA) that contain the coding sequences that are ultimately translated into proteins. The non-coding parts of the mRNA, or introns, are excised from the mRNA strand during splicing.
The final mRNA strand is created by joining the exons after the spliceosome, an RNA-protein complex, has eliminated the introns.
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Write the characteristics of scientific knowledge
Answers
Answer: based on the natural world and evidence.
Explanation: scientific knowledge is based on empirical knowledge evidence and natural world it provides supernatural aesthetic ways of knowing philosophy or religion and is durable and robust open to change.
The majority of the public is more likely to accept scientific research's findings.
The following are some of the main attributes of scientific knowledge:
Objectivity: Scientific information is unbiased. The ability to perceive and accept facts for what they are—not for what one may wish they were—is known as objectivity. One must defend against prejudices, beliefs, wishes, ideals, and preferences to be objective. To be objective, one must put away all types of subjective judgments and biases.
2. Verifiability: Science is based on sense data or information obtained through our five senses of sight, hearing, smell, tongue, and touch. Scientific knowledge is founded on verifiable evidence (real, true observations), which allows other observers to watch, weigh, or measure the same phenomenon and verify.
3. Ethical Neutrality: Science is impartial in terms of ethics. It merely looks to learn. Social values dictate how this knowledge should be applied. There are many different ways to use knowledge. Atomic warfare or the treatment of disease are both possible with knowledge of atomic energy.
Being ethically neutral does not imply that a scientist has no moral principles. It simply implies that he must prevent his values from influencing the planning and execution of his research. Science has no inherent values; hence it is value-free.
4. Systematic Exploration: A scientific investigation employs a predetermined sequential approach, a structured plan or design of research, with the purpose of gathering and analyzing data regarding the issue being investigated. The creation of the hypothesis, the gathering of the facts, their analysis (classification, coding, and tabulation), and scientific generalization and prediction are some of the basic scientific stages included in this strategy.
5. Reliability: Scientific knowledge must arise under the required conditions frequently as well as only once. It is repeatable wherever and whenever the conditions indicated apply. Conclusions based on haphazard memories are not particularly trustworthy.
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Please help I’m in the middle of a test!
If the original DNA strand is ACTA, and the mutated strand of DNA is ATA, what type of point mutation occurred? Blank 1
If the original DNA strand is ATTA, and the mutated strand of DNA is AGTA, what type of point mutation occurred? Blank 2
If the original DNA strand is AGCG, and the mutated strand of DNA is AGTCG, what type of point mutation occurred? Blank 3
Answers
Blank 1: A substitution mutation occurred where the nucleotide C was replaced by nucleotide T.
Blank 2: A substitution mutation occurred where the nucleotide T was replaced by nucleotide G.
Blank 3: An insertion mutation occurred where the nucleotide T was added to the original sequence AGCG.
Blank 1: The point mutation that occurred is a substitution mutation, specifically a transition mutation where a purine was replaced by another purine. This resulted in the change from ACTA to ATA.
Blank 2: The point mutation that occurred is a substitution mutation, specifically a transversion mutation where a purine was replaced by a pyrimidine. This resulted in the change from ATTA to AGTA. r
Blank 3: The point mutation that occurred is an insertion mutation where a nucleotide T was added to the original sequence AGCG, resulting in AGTCG. This type of mutation can cause a frameshift mutation if the codons are shifted, leading to changes in the resulting amino acid sequence.
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In humans, free-ear lobes are dominant to attached lobes. Two parents that are both heterozygous free are excepting a child. Show the probabilities for this cross
P:
Genotypic ratio:
Phenotypic ratio:
Answers
Answer: Phenotypic Ratio is 3:1 and genotypic ratio is 1:2:1
Explanation:
Since free lobes are dominant, let's represent that as F, and since attached earlobes are recessive, let's demonstrate that as f.
So, if the parents are heterozygous (have both alleles F & f), then the cross will be Ff x Ff. When you do the punnett square for that the four possible genotypes will be FF, Ff, Ff, and ff.
Phenotype: the physical appearance of an organism.
Genotype: the genetic makeup of am organism (results of punnet square)
So, since dominant always presides over recessive and three of our punnet square have capital F as the first letter (dominant), then those three will show the dominant trait, which is free ear lobes. And the one individual with ff will show the recessive trait (attached ear lobes). So the phenotype ratio is 3:1.
PLEASE HELP Can someone please answer these questions?
Answers
Corrected statements are as follows:
Sequoia seedlings do germinate from seeds because they are gymnosperms, not angiosperms.Sequoia seedlings are sporophytic, not gametophytic.Flowers and fruits are not produced by giant sequoias.In the given image of the giant sequoia seedlings, we can identify:
root meristemshoot apical meristemlateral rootselongation zonearea of developmentroot cell division zoneThe maturity zone will have root follicles.Auxin plays two roles in plant growth and development:
stimulate cell growth and differentiationInhibition of lateral bud development and branchingAuxin plays an important role in stem development by stimulating cell elongation on the shaded side of the stem and restricting it to the part exposed to light.
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How much heat must be added to 1 gram of water at 1°C to raise its temperature to 101°C?
A. 100 calories
B. 540 calories
C. 770 calories
D. 640 calories
Answers
The amount of heat required to raise the temperature of a substance can be calculated using the formula:
Q = m * c * ΔT
where Q is the amount of heat, m is the mass of the substance, c is the specific heat capacity of the substance, and ΔT is the change in temperature.
For water, the specific heat capacity is 1 calorie/gram °C.
So for 1 gram of water, the amount of heat required to raise its temperature by 1°C is:
Q = 1 * 1 * 1 = 1 calorie
To raise the temperature from 1°C to 101°C, the temperature change is:
ΔT = 101°C - 1°C = 100°C
So the total amount of heat required is:
Q = 1 * 1 * 100 = 100 calories
Therefore, the correct answer is A. 100 calories.