Complete question:
Among dogs, short hair is dominant to long hair and dark coat color is dominant to white (albino) coat color. Assume that these two coat traits are caused by independently segregating gene pairs. For each of the crosses given below, write the most probable genotype (or genotypes if more than one answer is possible) for the parents. It is important that you select a realistic symbol set and define each symbol below.
Parental Phenotypes Phenotypes of Offspring
Short Long Short Long
Dark Dark Albino Albino
(a) dark, short × dark, long 26 24 0 0
(b) albino, short × albino, short 0 0 102 33
(c) dark, short × albino, short 16 0 16 0
(d) dark, short × dark, short 175 67 61 21
Assume that for cross (d), you were interested in determining whether fur color follows a 3:1 ratio. Set up (but do not complete the calculations) a Chi-square test for these data [fur color in cross (d)].
Answer:
(a) DDSs x DDss
DDSs x Ddss
(b) ddSs x ddSs
(c) ddSS x DdSS
ddSs x DdSS
ddSS x DdSs
(d) DdSs x DdSs
-------------------------------------------
Chi square = X² = ∑ ((O-E)²/E) = ((242 - 243)² / 243) + ((82 - 81)² /81) = 0.0164
Explanation:
Due to technical problems, you will find the complete explanation in the attached files
Which term best describes the structure of a dragonfly with no bones and a bat with
bones?
O a. Homologous structures
Ob. Analogous structures
O c. Fossil records
O d. Vestigial structures
which is odd one sun, apple tree, frog, fish
Answer:
Sun.
Explanation:
It's the one giving the energy, not receiving it.
Why is it important that professional organizations advocate for their members?
a. This ensures that there are good peer network groups.
b. This ensures the best price.
c. This ensures that the member's best interest is protected.
d. This ensures that the best officials are elected.
Answer:
C. This ensures that the member's best interest is protected.
Explanation:
EDG2021
Answer:
C) This ensures that the member's best interest is protected.
Explanation:
Please select the word from the list that best fits the definition
help relieve the symptoms of a viral infection
genetic material
active
inactive
vaccines
over-the-counter medications
ability to multiply
Answer:
OTC medication
Explanation:
Although vaccines make sence vaccines help prevent a viral infection
otc medication is used to fight the symptoms
consider the flu shot you might get the flu shot and still get sick so you have to bur flu medicine,
Consider what you have learned about the role of genes, and in some cases their interaction with environmental factors, in human disease and traits, including complex traits associated with behavior and identify. How might this information be useful to your personal, social, academic and/or professional life?
Answer:
to adopt a healthy lifestyle in order to prevent and/or reduce the risk of developing complex diseases
Explanation:
Complex genetic diseases are diseases that have a genetic basis but often don't show a clear pattern of inheritance, i.e., the genes that encode for the trait of interest are localized in quantitative trait loci (QTL). In general, complex genetic diseases are multifactorial because both genetic and environmental factors play important roles in the development of this type of disease. Some well-known examples of multifactorial genetic diseases include, among others, heart diseases, diabetes, asthma, some type of cancers, etc. It is well known that healthy lifestyle habits such as maintaining a healthy weight, eating healthy foods, avoiding harmful substances, etc., can prevent complex genetic conditions from manifesting.
Based on the following reactions who many not have been listening to your thoughts on recycling?
A. "These are some great ideas. We should try to get more towns to follow this plan."
B. "I did not understand your idea about adding more recycling pick up days. Can you explain that again?"
C. "That's good."
D. "You have some good ideas, but remember, not all plastics can be recycled."
Answer:
C; thats good
Explanation:
Hope this helps!
What is earth’s approximate rate of movement along its orbit?
Answer:
Earth revolves in orbit around the sun in 365 days, 6 hours, 9 minutes with reference to the stars, at a speed ranging from 29.29 to 30.29 km/s.
Explanation:
When organic material is completely decomposed, what is left?
Answer:
Its speed is determined by three major factors: soil organisms, the physical environment and the quality of the organic matter (Brussaard, 1994). In the decomposition process, different products are released: carbon dioxide (CO2), energy, water, plant nutrients and resynthesized organic carbon compounds.
Explanation:
Explain why Chargaff’s data was an important clue for putting together the structure of DNA.
Answer:
Chargaff's data was an important clue for putting together the structure of DNA because it provided the basis for determining the ratios of the four nitrogenous bases in DNA. Specifically, Chargaff's data showed that the amount of adenine (A) was equal to the amount of thymine (T), and the amount of guanine (G) was equal to the amount of cytosine (C). This helped scientists to understand that the two strands of a DNA molecule pair together in a specific way, with A always pairing with T and G always pairing with C. This information was essential in determining the double-helix structure of DNA.
Explanation:
state the three laws inheritance by Mendel. explain
Mendel's three rules are the Law of Segregation, the Law of Dominance, and the Law of Independent Assortment.
It implies that meiosis is the process of separating two alleles from one another. Two copies of each chromosome are actually separated from one another during the second stage of meiosis, which is when segregation or separation occurs.
The child will inherit the XX genotype and the dominant phenotype if one parent carries the dominant allele X in two copies and the other parent carries the recessive allele X in two copies. The segregation of the allele pair into two daughter cells during the second stage of meiosis division is Mendel's third rule.
Learn more about Mendel's
https://brainly.com/question/29785142
The three laws of inheritance proposed by Mendel are: the law of segregation, the law of dominance, and the law of independent assortment.
What are Mendel's law of inheritance?The three laws of inheritance proposed by Gregor Mendel are:
The law of dominance: This law states that when an organism inherits two different forms of a gene (alleles) for a trait, one allele will be dominant and will be expressed in the organism's phenotype, while the other allele will be recessive and will not be expressed. For example, if an organism inherits one allele for brown eyes (B) and one allele for blue eyes (b), the brown eye allele is dominant and the organism will have brown eyes.
The law of segregation: This law states that during the formation of sex cells (gametes), the alleles for a trait separate from each other so that each gamete receives only one allele. This means that the offspring will inherit one allele from each parent and will therefore have a combination of alleles for a trait.
The law of independent assortment: This law states that the inheritance of one gene or trait is independent of the inheritance of another gene or trait. In other words, the alleles for different traits are inherited independently of each other and are not linked in any way. This means that the probability of inheriting a specific combination of alleles for different traits is the product of the probabilities of inheriting each allele for each trait.
Learn more about Mendel's law of inheritance, here:
https://brainly.com/question/29785142
#SPJ2
which organisms do primary consumers mainly eat? Producers or decomposers
Answer: producer
Explanation:Primary consumer's are herbivores
When you test cross the offspring of ccWW X CCww you get the following results
Answer:
CcWw
Explanation:
Explanation is in the image
What are two adaptations in plant cells that do similar things for plants as bones do for animals? HELP PLEAS THANK OYOU
Answer:
Two adaptations in plant cells that do similar things for plants as bones do for animals are cell walls and vacuoles. Cell walls provide structure and support to the plant, similar to how bones provide structure and support to animals. Vacuoles store essential nutrients and minerals, just as bones store important minerals and nutrients.
Explanation:
how does gravity effect the moon phases
Explanation:
The moon's gravitational force pulls on water in the oceans and stretches the water out to form tidal bulges in the ocean on the sides of the planet that are in line with the moon. The moon pulls water on the side nearest it, which causes a bulge toward the moon. ... The moon also stabilizes the Earth's rotation.
Which of the following pairs represent homologous structures?
Complete question:
Which of the following pairs represent homologous structures?
Wings of grasshopper and forelimbs of flying squirrel Tentacles of Hydra and arms of starfish Forelimbs of a bat and forelegs of a horse Wings of a bird and wings of a mothAnswer:
3. Forelimbs of a bat and forelegs of a horse
Explanation:
Homologous characters are structures with the same basic elements. Their position in the body and the relations with adjacent structures are also the same in different organisms, and they even share the same embryological development.
These structures might show variations between the organisms exhibiting them. Variations might be related to their function and to the environment in which the organism lives. The function they accomplish is not necessarily the same in all the organisms involved.
These homologous characters are present in organisms related that share a common ancestor.
For example, whales, humans, and cats all have the same bones in the same order, but they matured differently in later embryological development.
Among the options, the only possible pair that represents homologous characters is option 3. Forelimbs of a bat and forelegs of a horse. Both structures are the anterior extremities of the animals and share the same bones, even though they might differ in the development degree. Forelimbs and forelegs have the same position and relation with other structures in the body, and embryologically, they are the same.
Guy please help ill give brainliest
. List two events that can
change human population
trend
Step 1: Drag the boxes to
indicate the phase of the
cell cycle.
ANAPHASE
TELOPHASE
PROPHASE
METAPHASE
INTERPHASE
Step 2: Label individual
parts of the cell by dragging
the letter to the structure.
A
A: Spindle
B B: Chromatid
с
D D: Centrioles
E
C: Chromosome
E: Daughter cells
FF: Nucleus
400000
DI
1
The image shown is of a cell cycle. Cycle phases are prophase, metaphase, anaphase, and telophase.
What is a cell cycle?
A cell cycle is the sequence of events that take place in a cell leading to its division and duplication (replication). It consists of two main parts: interphase and the mitotic phase. During interphase, the cell grows and DNA is replicated in preparation for cell division. During the mitotic phase, the cell divides into two daughter cells.
A cell spends the majority of its time in interphase, which is when it develops, duplicates its chromosomes, and prepares to divide.
The cell then exits interphase, enters mitosis, and divides to completion. Each of the resulting cells, known as daughter cells, enters its own interphase to begin a new cell cycle.
The cell cycle is the process by which cells multiply and divide into two new cells. The cell cycle phases are G1, S, G2, and M. At the G1 stage, cells are getting ready to divide.
Therefore, The given image is of cell cycle. The phases of cycle are prophase, metaphase, anaphase and telophase.
To know more about a cell cycle,
https://brainly.com/question/5034994
#SPJ1
Does Plantae have a peptidoglycan
Plants Produce Immunogenic Peptidoglycans, almost all bacterial cell walls, with the exception of those of Archaea, include it as a hard component and it helps give bacteria their characteristic form.
What is Peptidoglycans?In most bacterial species, the cytoplasmic membrane is encased in a hard material called peptididoglycan. It helps maintain cell shape throughout the life cycle and shields bacterial cells from environmental stress. The production of peptididoglycans has a significant role in controlling bacterial cell division. A polymeric macromolecule known as peptididoglycan is composed of linear glycan strands joined together by peptide bridges. The sacculus, which surrounds the cell and is made of covalently closed peptididoglycan, is formed when peptididoglycan is polymerized at the exterior of the cytoplasmic membrane.
To know more about Peptidoglycans, check out:
https://brainly.com/question/13021055
#SPJ1
Guided Case Study
Muscle Malady
1) What symptoms is Rahul experiencing?
2) Describe 2 purposes of the blood test that was ordered.
3) What is the function of dystrophin and how is it altered by DMD?
4) Knowing the inheritance pattern of DMD, what can you predict about Rahul's family histors?
5) Assuming that Rahul lives until aduithood, he could have children. Show a Punnett Square illustrating the likelihood of Rahul passing this mutation on if he marries a woman with two normal X chromosomes.
6) What treatments are suggested for DMD?
Rahul is experiencing difficulty walking and an abnormal gait, which are symptoms of Duchenne Muscular Dystrophy (DMD).
2. The blood test that was ordered specifically tests for the creatine-kinase (CK) enzyme linked to degeneration of muscles and provides a genetic analysis through DNA testing of the blood cells. The purpose of the CK test is to measure the level of CK enzyme in the blood, which is often elevated in individuals with DMD, and the purpose of the genetic analysis is to identify the presence of a mutation in the dystrophin gene, which is the genetic cause of DMD.
3. Dystrophin is a protein found beneath the sarcolemma of the muscle fibers. It is responsible for distributing the force from a muscle contraction to the cell membrane and helps to protect muscle fibers from damage during contraction. In DMD, there is a mutation in the dystrophin gene, which prevents the production of dystrophin, allowing the contraction force to damage the fibers, causing permanent tears in the fibers, and leading to muscle degeneration and weakness.
4. Because DMD is an X-linked disorder, it is more common in males, and it is inherited in a pattern of sex-linked inheritance. This results in the disease being more common in males, although females can unknowingly pass the mutated gene to their children. Knowing this, one can predict that Rahul's biological parents are likely to be unaffected carriers of the mutation, and it is highly likely that his biological siblings have the same condition.
5:
X^n X^n
X^n X^n X^n
Assuming that Rahul lives until adulthood, he could
What is Duchenne Muscular Dystrophy?Duchenne Muscular Dystrophy (DMD) is a rare genetic disorder that affects muscle function and strength. It is caused by a mutation in the dystrophin gene, which is located on the X chromosome. This gene provides instructions for making a protein called dystrophin, which is essential for the proper functioning of muscles.
Without dystrophin, muscle fibers are unable to withstand the force of contraction, leading to damage and degeneration. This results in progressive muscle weakness, starting in the legs and pelvis.
Therefore, in the above case, none of his children will have DMD, but they will all be carriers of the mutation, meaning they have the potential to pass it on to their own offspring. It's important to note that, in reality, the genetic transmission of a disease like DMD is not always as simple as a Punnett square.
Learn more about Duchenne Muscular Dystrophy from
https://brainly.com/question/8494969
#SPJ1
See transcribed text below
Rahul Carter is a 2 year old who was adopted from an Indian orphanage just over a year ago. His adoptive parents have brought him in for his annual pediatric exam. Rahul's pediatrician has been monitoring his physical progress carefully because he was a late walker and has always been a bit clumsy. At this appointment, Rahul's pediatrician notices that he is continuing to have difficulty walking and has an abnormal gait. Suspecting an undiagnosed muscular condition, the pediatrician orders a blood test for Rahul. This blood test specifically tests for the creatine- kinase (CK) enzyme linked to degeneration of muscles and provides a genetic analysis through DNA testing of the blood cells. Upon receiving results of elevated CK levels and a mutated dystrophin gene. Rahul is diagnosed with Duchenne Muscular Dystrophy (DMD).
DMD is a progressive disease of the muscular system. It is most often diagnosed between the ages of 3 and 5 and is defined by weakened muscles of the legs, torso, and hips. As the muscles of the heart and diaphragm are eventually affected, it becomes lethal. Dystrophin is a protein found beneath the sarcolemma of the muscle fibers. It is responsible for distributing the force from a muscle contraction to the cell membrane. The absence of this protein permits the contraction force to damage the fibers themselves, causing permanent tears in the fibers. As the child ages, these tears are replaced by scar tissue, reducing the effectiveness of skeletal muscles.
DMD is caused by a mutation within the X chromosome that prevents the production of dystrophin. Because it is located on the X chromosome, it follows a pattem of sex- linked inheritance. This results in the disease being more common in males, although females can unknowingly pass the mutated gene to their children.
Although there is currently no cure for DMD, treatment includes physical therapy and light exercise to slow muscle damage. Orthopedic braces and walkers can be used, but individuals with DMD are often confined to wheelchairs by age 12. Corticosteroids are commonly prescribed to reduce muscle inflammation, slowing skeletal muscle loss. The life expectancy of an individual with DMD is around age 30, but scientific advances are extending life expectancies with some individuals living into their 50s.
What are the components of DNA nucleotides?
Answer:
In turn, each nucleotide is itself made up of three primary components: a nitrogen-containing region known as a nitrogenous base, a carbon-based sugar molecule called deoxyribose, and a phosphorus-containing region known as a phosphate group attached to the sugar molecule
Explanation:
pls mark me brainless.pls
Three processes that occur in cells are described in the box.
These processes are all examples of -
A- Crossing over
B- The migration of genetic material
C- Selective permeability
D- Cellular energy use
LOOK AT PICTURE
Answer:Selective Permeability
what sensors in the past points out the similarity between parthenogenesis and sexual reproduction
The similarity between parthenogenesis and sexual reproduction is “Parthenogenesis involves the formation of a zygote”
How is parthenogenesis similar to sexual reproduction?This method is alike to the fusion of an egg and sperm in sexual reproduction since it shapes a diploid nucleus from the fusion of two dissimilar cells. The resulting offspring is a homozygote and gets about half of its mother's genetic disparity. This type of parthenogenesis could make either a female or a male.
Komodo dragons are a sample of a species that can produce offspring both through sexual reproduction and parthenogenesis.
So we can conclude that Parthenogenesis in humans never make viable embryos,
Learn more about parthenogenesis here: https://brainly.com/question/1968465
#SPJ1
approximately 90% of absorbed alcohol gets converted by processes in the ____
Answer:
The liver.
Explanation:
The liver converts the majority of the alcohol into a substance called acetaldehyde, which is then further broken down into acetic acid and other byproducts. This process of metabolizing alcohol is what helps to reduce the concentration of alcohol in the blood and eliminate it from the body
Organisms use phosphorus to help maintain homeostasis Phosphorus is a building block of molecules that function in making
organisms.
i need help on this fast i need to match the difintion to the vocabulary putting the Letters to the vocabulary
Answer:
F - is variation
C is Charles Darwin
B is natural selection
A is Alfred
E is evolution
D is adaptation
Please Help: Question 1: Why are plastics called polymers? Explain the nature of a polymer. Question 2: Why is carbon able to form so many molecules? Name two examples of molecules containing carbon. Question 3: Discuss the four macromolecules that occur in nature, including the building block units of each different macromolecule. ( Only answer if you know the answers to all 3 questions) Will Mark Brainliest.
Answer: 1. Plastics are polymers. A polymer is a substance made of many repeating units. The word polymer comes from two Greek words: poly, meaning many, and meros, meaning parts or units. A polymer can be thought of as a chain in which each link is the “mer,” or monomer (single unit). 2. Carbon is the only element that can form so many different compounds because each carbon atom can form four chemical bonds to other atoms, and because the carbon atom is just the right, small size to fit in comfortably as parts of very large molecules. ... They can even join "head-to-tail" to make rings of carbon atoms. An example of two molecules that contain carbon is compound methane ( 1 carbon bounded to four hydrogen. ) ... Carbon is able to form so many molecules/compounds because each carbon atom can form four chemical bonds to other atoms and, because of its size, it fits in nicely as part of large molecules. 3. Carbohydrates- Monosaccharides (simple sugars), Lipids- Fatty acids and glycerol, Proteins- Amino acids, Nucleic acids- Nucleotides. brainliest??
Explanation:
The function of cellular respiration is to
Answer:
Cellular respiration releases stored energy in glucose molecules and converts it into a form of energy that can be used by cells.
Explanation:
Plz help me well mark brainliest if correct!!..
Answer:
four layers
Most rainforests are structured in four layers: emergent, canopy, understory, and forest floor.
Explanation:
In order to determine the rate of photosynthesis (the conversion by plants of carbon dioxide and water into glucose and oxygen), the oxygen gas emitted by an aquatic plant is collected over water at a temperature of 293 K and a total pressure of 754.0 mmHg. Over a specific time-period, a total of 1.62 L of gas is collected. The partial pressure of water at 293 K is 17.55 mmHg. What mass of oxygen gas (in grams) forms
Answer:
2.87 g
Explanation:
Step 1: Given data
Temperature (T): 293 KTotal pressure (P): 754.0 mmHgPartial pressure of water (pW): 17.55 mmHgVolume of gas (V): 1.62 LStep 2: Calculate the partial pressure of CO₂
The total pressure is the sum of the partial pressures of CO₂and water.
P = pCO₂ + pW
pCO₂ = P - pW = 754.0 mmHg - 17.55 mmHg = 736.5 mmHg
We will convert this pressure to atm using the conversion factor 1 atm = 760 mmHg.
736.5 mmHg × 1 atm/760 mmHg = 0.9691 atm
Step 3: Calculate the moles (n) of CO₂
We will use the ideal gas equation.
P × V = n × R × T
n = P × V/R × T
n = 0.9691 atm × 1.62 L/(0.0821 atm.L/mol.K) × 293 K = 0.0653 mol
Step 4: Calculate the mass corresponding to 0.0653 moles of CO₂
The molar mass of CO₂ is 44.01 g/mol.
0.0653 mol × 44.01 g/mol = 2.87 g
The pressure exert on the one gas in the mixture by the other gases is called partial pressure.
The answer to the question is 2.87g.
The data is given in the question and the data is as follows:-
Temperature (T): 293 K Total pressure (P): 754.0 mmHg Partial pressure of water (pW): 17.55 mmHg Volume of gas (V): 1.62 L
In the question we have to find the total pressure is the sum of the partial pressures of CO₂ and water. The equation we gonna use is:-
[tex]P = pCO_2 + pW[/tex]
To find the pCO2,
[tex]pCO_2= P - pW \\= 754.0 mmHg - 17.55 mmHg \\= 736.5 mmHg[/tex]
Pressure must be in ATM therefore, 1 atm = 760 mmHg.
=[tex]\frac{736.5 mmHg * 1 atm}{760 mmHg} = 0.9691 atm[/tex]
The ideal gas equation is as follows:-
[tex]PV = nRT\\n =\frac{PV}{RT}\\n = \frac{ 0.9691 atm * 1.62 L}{(0.0821 atm.L/mol.K) × 293 K}\\ = 0.0653 mol[/tex]
The mass of the following is:-
The molar mass of CO₂ is 44.01 g/mol.
Therefore,
[tex]0.0653 mol * 44.01 g/mol \\= 2.87 g[/tex]
Hence, the correct answer is 2.87g.
For more information, refer to the link:-
https://brainly.com/question/3523174
Which Chemicals are major contributors to the Ozone layer destruction? Select TWO answer choices.
Phosphorus
Nitrogen
Bromine
Chlorine
Carbon-dioxide
Methane
Answer:
The damage to ozone layer is done by halogens such as Chlorine and Bromine.