Four random genetic matches then formed the following diploid offspring. Using the text box or pen tools, label the alleles on each offspring.
Answers
Crossing-over events occur during the prophase 1. After anaphase 2, telophase 2, and citokynesis, 4 gametes are formed. Each gamete has different genetic information. Alleles are labeled in the attached file.
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Since I do not have the parentals genotype, I will consider two traits, each coded by a single diallelic gene.
Gene 1:
A is the dominant allelea is the recessive alleleLocated in the superior arm of the chromosomeGene 2:
B is the dominant alleleb is the recessive alleleLocated in the inferior arm of the chromosomeI will assume that both parents are heter0zyg0us for both traits, so their genotypes are AaBb.
During gamete formation, the pairs of h0m0logous chromosomes separate after crossing over. Then, sister chromatids also separate. The result is the formation of four gametes.
Each gamete has different information from the combination of h0m0logous chromosomes belonging to the father and to the mother.
Mother
During the prophase of meiosis 1, the mother's homologous chromosomes express two crossing-over events. One of them in the superior arm and the other one in the inferior arm.
The segments interchange between chromosomes involves Gene 1 and Gene 2.
During anaphase 2, sister chromatids separate, and after telophase and cytokinesis, four haploid gametes are formed carrying the following chromosomes,
AB → Parentalab → RecombinantAB → Recombinantab → ParentalFather
During the prophase of meiosis 1, the father's homologous chromosomes express one crossing-over event in the inferior arm.
The segments interchange between chromosomes involves Gene 2.
During anaphase 2, sister chromatids separate, and after telophase and cytokinesis, four haploid gametes are formed carrying the following chromosomes,
AB → ParentalAb → RecombinantaB → Recombinantab → ParentalGametes' destiny is to randomly merge in the process of fecundation, during which a new diploid cell called zygote emerges through fertilization.
The zygote is a complete cell that suffers successive mitosis to form the new organism.
In the exposed example,
Offspring 1 → Parental gamete ab from the mother merged recombinant
gamete aB from the father → genotype aaBb
Offspring 2 → Parental gamete AB from the mother merged recombinant
gamete aB from the father → genotype AaBB
Offspring 3 → Recombinant gamete ab from the mother merged
recombinant gamete Ab from the father → genotype Aabb
Offspring 4 → Parental gamete ab from the mother merged recombinant
gamete ab from the father → genotype aabb
For a better understanding, you can see the image in the attached files in which alleles are labeled.
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1st correct answer gets brainliest! and 13 pts
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it gives off protons because it's in a basic solution (pH>7)
Most cells are infinitesimal, and can only be seen under a microscope. In the preceding sentence, what does infinitesimal mean?.
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Here, the word infinitesimal means tiny. Most cells can only be visualized under a microscope since they are so tiny.
In general, all cells must be tiny. While not all cells have a sphere-like form, the majority do. A cell's surface area grows as the square of its radius as the radius rises, yet its volume grows as the cube of its radius (much more rapidly).Thus, a cell's surface area to volume ratio drops as it grows in size. If the cell were in the form of a cube, the same reasoning would hold true (below). The plasma membrane won't have enough surface area if the cell enlarges too much to support the rate of diffusion needed to accommodate the larger volume. In other words, a cell gets less effective as it develops. One technique to increase efficiency is to divide, while another is to create organelles with specific functions. These modifications result in the emergence of eukaryotic cells, which are more complex cells.Hence, the correct answer is tiny.
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Please Need help AAs soon as possible!
What is the difference between Original Remains, and Trace Fossils? Give 3 examples of each
Answers
Answer:
Please find the difference below and their respective examples
Explanation:
Previously existing organisms leave behind evidences of their existence in form of remains that has been collected and mineralized called FOSSILS. However, the fossils of an organism (plant or animal) can either be a trace fossil or an original remain/body fossil. The difference between the two are as follows:
- An original remain is the fossilized body or body part of an organism that once existed. For example, bones, shells and fossilized leaf are examples of original remains.
- On the other hand, trace fossils refers to any form of evidence, apart from the organism's body, that suggests the presence of that organism in that particular place at a particular time. Trace fossils are said to be illustrate presence of life but indirectly (via their activities). Examples of trace fossils are burrows, tracks, marks etc.
How do rhizomes help plants reproduce?
Answers
Answer:
Explanation: Rhizomes are modified stems running underground horizontally. They strike new roots out of their nodes, down into the soil. They also shoot new stems up to the surface out of their nodes. This rhizome activity represents a form of plant reproduction.
detection and characterization of leptospira infection and exposure in rats on the caribbean island of saint kitts
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Leptospirosis is a widespread zoonotic and potentially life-threatening disease in humans and animals.
Numerous animal species keep Leptospira, the bacterium that causes this sickness, in their kidneys and excrete it in their urine. These creatures are a source of pollution for the environment and illness. Rats are an important reservoir host of the disease and have previously been reported to have Leptospira infection in the Caribbean island of Saint Kitts. However, there is presently no information on rats. The major objective of this study was to use a complementary set of diagnostic methods to identify Leptospira infection and exposure in two kinds of rats on Saint Kitts. Then, using a mix of serologic, molecular, and genomic methods, infecting Leptospira strains were described.
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During this phase of mitosis, the mitotic spindle forms and the nuclear envelope fragments.
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Prophase is defined as the phase of mitosis during which the mitotic spindle develops and the nuclear envelope fragments.
What is a mitosis?A kind of cell division known as mitosis occurs when a single cell (the mother) divides into two genetically identical daughter cells. The phase of cell division known as mitosis, when referring to the cell cycle, is when the DNA in the cell's nucleus is split into two identical sets of chromosomes.
Which cellular kinds undergo mitosis?In the body, mitosis occurs in three different cell types. They are adult stem cells, somatic cells, and embryonic cells. Somatic cells - In multicellular organisms, somatic cells are the normal cells in the body. Epithelial cells, muscle cells, liver cells, and other types of cells are somatic cells.
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A 50 gram glass holds 400 grams of liquid water and 75 grams of ice. After 20 minutes the mass of ice is 50 grams. Calculate the mass of the liquid water at this point in time using the law of conservation of mass
Answers
Answer:
450
Explanation:
subtract 25 divide by 2 add to 400
Unit 4 review
1. A species biotic potential is the fastest rate at which its populations can grow, which is called its _____________________________.
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Answer:
A species biotic potential is the fastest rate at which its populations can grow, which is called its Reproductive Rate.
Explanation:
…"biotic potential" and "populations can grow" immediately lets us know this is the reproductive rate of organisms.
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Answer:
Carbon dioxide and rate of photosynthesis
An increase in the carbon dioxide concentration increases the rate at which carbon is incorporated into carbohydrate in the light-independent reaction, and so the rate of photosynthesis generally increases until limited by another factor
The volume of blood flowing through the skeletal muscles increases greatly during exercise. Give two ways in which the body brings about this increase.
Answers
Increase in blood flow to skeletal muscles:
1. Arterial blood pressure changes little during exercise. During exercise, metabolic demands on skeletal muscle increase dramatically. This causes the blood vessels that supply the muscles to dilate, increasing blood flow to the skeletal muscles.
2. The sympathetic nervous system plays an important role in regulating arterial blood pressure and blood flow during exercise, and several key neural mechanisms are involved in altering sympathetic vasomotor outflow.
How does the sympathetic nervous system affect blood flow?
In blood vessels, sympathetic activation narrows arteries and arterioles (resistance vessels), increasing vascular resistance and decreasing distal blood flow. When this occurs throughout the body, vascular resistance increases and arterial pressure rises.
How does the nervous system control blood flow?
Neurological regulation of blood pressure and blood flow depends on cardiovascular centers located in the medulla oblongata. This group of neurons responds to changes in blood pressure, blood oxygen levels, carbon dioxide, and other factors such as pH.
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Cancer can strike anyone and at any time in a person's life. Cancer also can strike any organ or organ system. However, the risk of developing cancer varies with age, and it varies from person to person. Many types of cancer are more common in some families than others, which means that genes play a role. Other cancers are linked to the environment.
What is Cancer ?
A. A mutation in a gene that decreases cell devision
B. Uncontrolled Mitosis
C. Uncontrolled Meiosis
D. A bacterial infection that causes swelling in body tissue
Answers
Answer:
A. A mutation in a gene that decreases cell devision
Explanation:did the test
Cancer is a mutation in a gene that decreases cell division.
What are the features of cell division?
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Moreover, these phases are prophase, prometaphase, metaphase, anaphase, and telophase. Cytokinesis is the final physical cell division that follows telophase, and is therefore sometimes considered a sixth phase of mitosis.
There are two types of cell division: mitosis and meiosis. Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells.
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A frog needs to produce a type of enzyme to speed up a reaction as it grows. the frog’s dna code carries the instruction for creating the enzyme. which two cell structures will be most involved in making the enzyme in the frog’s cells?
Answers
The nucleus and the ribosome are the two cellular structures that will be most involved in making the enzyme in the frog's cells.
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Transcription is the synthesis of RNA under the direction of DNA while translation is the process whereby a strand of mRNA directs assembly of amino acids into proteins within a ribosome.
Transcription occurs in the nucleus of the cell while translation occurs in the ribosome.
Therefore, the nucleus and the ribosome are the two cellular structures that will be most involved in making the enzyme in the frog's cells.
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Where most of the mass of an atom is located.
Oa. quark
Ob. electron cloud
Oc. isotopes
Od. energy levels
Oe, nucleus
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Need help here is the ss
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Answer:
There are omnivores, carnivores, herbivores, and decomposers. Omnivores eat both plants and animals, carnivores eat animals (meat), herbivores eat plants (producers), and decomposers feed on dead matter.
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B density
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Answer:
Texture
Explanation:
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Answer:
the se.x chromosomes, determine the biological sex of an individual: females inherit an X chromosome from the father for a XX genotype, while males inherit a Y chromosome from the father for a XY genotype
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Which statement is true about aerobic respiration?
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Answer:
Explanation Aerobic respiration needs oxygen. It is the release of a relatively large amount of energy in cells by the breakdown of food substances in the presence of oxygen:
glucose + oxygen → carbon dioxide + water
C 6H12O6 + 6O 2 → 6CO 2 + 6H2O
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Answers
Answer:
Mountain banshees are large, dragon-like aerial predators Bonding with a banshee and becoming an Ikran Makto is dangerous and required the banshee or its rider can bond with a new partner should the previous one die
Explanation:
The mountain banshee is a dragon like predator that is due to the fact their predators are larger in size.
What is a mountain banshee?A mountain banshee is a large dragon-like aerial predator and is native to pandora. The creature is used for hunting and to travel larger distances.
As the Ikran are also used in battle they are enemies of the species and can attack the open air. They thus become prey to this species as they are much larger in size.
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What are the two components of declarative memory?
Select one:
O a. Implicit and explicit
O b. Short-term and long-term
O c. Semantic and episodio
O d. Procedural and implicit
Answers
Answer:
c. Semantic and episodio
Explanation: hope this helps!
1. The maximum population that an ecosystem can support indefinitely is called the
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B. age structure
C. carrying capacity
D. infrastructure
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Answer:
carrying capacity
Explanation:
hello guys can you help me with this question
10) explain the process- harvesting,threshing and winnowing?
Answers
Answer:
Harvesting is the operation of gathering the useful part or parts of the plant and is carried out at the time when all the nutrients have developed and the edible parts have reached the appropriate degree of maturity.
Threshing or shelling consists of separating the grains, or the shells in the case of groundnuts, from the portion of the plant that holds them.
WINNOWING, the process of separating quality grains from chaff, is a crucial process in the cultivation of paddy. The traditional way of winnowing is making the dried grains fall from a height using shovels and a sieve.
Which of the following are characteristics of tropical coral reefs? Select all that apply.
Answers
The correct option is
They are near the equator.They are usually close to the surface of the ocean.What are coral reefs?Coral reefs are large underwater structures composed of the skeletons of colonial marine invertebrates called coral.
Coral reefs have some characteristics which include:
They are near the equator.They are usually close to the surface of the ocean.They display a symbiotic relationship with an algae called zooxanthellae.Corals reefs are found all over the world's oceans.
The biggest coral reefs are found in the clear, shallow waters of the tropics and subtropics.
Coral reefs are important as they protect coastlines from storms and erosion, providing jobs for local communities, and offer opportunities for recreation and tourism.
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Answer:
all of them
Explanation:
dunlap p. 1999. quorum regulation of luminescence in vibrio fischeri. journal of molecular microbiology and biotechnology. 1(1): 5-12.
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Quorum regulation of luminescence in vibrio fischeri serves a native role in microbial quorum sensing and responds to quorum signaling molecule.
What is microbiology and biotechnology?Microbiology is the branch of biology which deals with study of microorgnisms, either unicellular or multicellular. The importance of microbiology is that as we know that microorganisms are very important for our daily life and they play a major role in several biochemical processes such as change in climate, biotechnology, biodegradation and spoilage of food.
Biotechnology is advanced and developed technology that used to solve several problems of daily life and in the production of useful products. Biotechnology is used in various fiels such as industrial, animal and plant, humam, environmental. These are the different branches of biotechnology.
Therefore,Quorum regulation of luminescence in vibrio fischeri serves a native role in microbial quorum sensing and responds to quorum signaling molecule.
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Please help! EXTRA points
Will mark brainliest!
If you don’t know the answer please don’t type in random stuff.
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Answer:
Yy xYy
Explanation:
Read the nutrition label on a container of milk. In addition to carbohydrates, which include lactose, list the other nutrients present.
Answers
Answer:
Other nutrients found on a container of milk are fat, protein, sodium, cholesterol, vitamin A, C, D, and calcium.
Explanation:
This may vary on the type of milk you have based on nutrition labeling.
Do to Mendel's law of segregation ....?
A) homologous chromosomes pair up and cross during prophase 1 of meiosis
B) alleles belonging to the same gene will never end up in the same gamete during mitosis
C) alleles belonging to the same gene will never end up in the same gamete during meiosis
D) genes located on non-homologous chromosomes sort independently of one another during the formation of gametes
NEED HELP ASAP!
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Answer: A
Explanation:
Can you identify the different parts of the water cycle?
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helppp plz i’ll give brainlest
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Answer:
the carbohydrate my dude
Explanation:
"It must be global warming!
That is a comment you hear frequently these days. Where would global warming fit in the Venn diagram shown?
A)A
B)B
C)C
D)D