Imagine a population where the allele for p provides a slight advantage. Draw a graph that...
Imagine a population where the allele for p provides a slight advantage.
Draw a graph that shows how p would change over 100 generations.
Homework Answers
Graph of p would be like above.
As it is given that the population of p has advantage, it means as the genration passes the p allele will be favoured more, that means to reach from frequency 0.6 to 0.8 it won't take much time. With in few generation it can reach to its max frequency. Suppose if only allele p would be favoured then the graph would be more steep. As it is given in the question that it is slightly favoured that mean it would take few generation to reach to its maximum frequency. The graph will shift more towards left if nature select more of allele p.
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Imagine a population where the allele for p provides a slight
advantage.
Draw a graph that...
Imagine a population that is in H-W equilibrium and p=.3 . Draw a graph that shows...
Imagine a population that is in H-W equilibrium and p=.3 . Draw a graph that shows what p would be over 100 generations. (Y-axis = p, X-axis= generations)
In a population of 100 lizards, the “A” allele encodes for spots and is dominant over...
In a population of 100 lizards, the “A” allele encodes for spots and is dominant over the “a” allele which encodes for strips. If non-random-mating occurred in this population, meaning lizards only mated with other lizards with the same genotype, how would the allele and genotype frequencies change after two generations of non-random mating? A = 0.5 a = 0.5 I would really appreciate if you could provide an explanation for the steps. Thank you!
Case B: In this population, the frequency of the dominant allele, B, is 0.5 and the...
Case B: In this population, the frequency of the dominant allele, B, is 0.5 and the frequency of the recessive allele, b, is 0.5. However, in this situation any individual who is born with the dominant trait has a 50 % chance of not surviving to reproductive age. Assuming that mating is still random, what will happen to the allele frequencies (p and q) after 5 generations? (le. Will one allele increase or decrease?) Prediction (1 mark): Reason (2 marks):...
An allele, A1, in a diploid population of size N, starts at an allele frequency of...
An allele, A1, in a diploid population of size N, starts at an allele frequency of 0.7. What is the expected allele frequency in the next generation? In the 100thgeneration? What is the probability that the allele frequency will increase in the next generation? If you follow 100 populations that start with the same conditions for millions of generations, how many would you expect to be fixed for A1?
7) Draw a graph of the expected amount of variation (π) along a chromosome on either...
7) Draw a graph of the expected amount of variation (π) along a chromosome on either side of an allele that has increased to high frequency as a result of selection. How would your graph change if selection had occurred many more generations in the past (longer ago)? How would it change if selection was stronger for the advantageous allele? How would it change if the recombination rate in that part of the genome was higher?
Imagine a case where a for two-allele locus"aa" homozygotes have a distinctive green phenotype. You sample...
Imagine a case where a for two-allele locus"aa" homozygotes have a distinctive green phenotype. You sample 200 individuals from a population and find that 28 of them are green. If you assume that this locus and the focal population conforms to all HWE assumptions, what would be the expected frequency of the "a" allele in this population?
How you think the allele frequencies are being affected by genetic drift in our simulation. Do...
How you think the allele frequencies are being affected by genetic drift in our simulation. Do you think this is speeding up or slowing down the rate of allele change? Why? Plot a graph of the H (p) allele frequency over generational time (show a minimum of three generations) showing what you would expect to happen if both natural selection and genetic drift are happening. Make sure to explain why you think this pattern would occur
p is the frequency of a new mutation: -i.e. In a population containing only allele A2,...
p is the frequency of a new mutation: -i.e. In a population containing only allele A2, an allele mutates into allele A1 Question: A single mutant allele A2 would start at p=0.1 in a population with ____ (how many) individuals? A.) 10 B.) 5 C.) 20
10. Did the allele frequencies p and q remain the same from generation to generation in...
10. Did the allele frequencies p and q remain the same from generation to generation in the population? No the allele frequencies did not remain the same from generation to generation. (????) 11. Did the population undergo microevolution? Explain your reasoning. Yes, the population undergoes microevolution. There is found negative selection for the homozygous dominant genotype. (????) I BIO 101 Lab 11: Population Genetics 16 able Chart Text Shape Media Comment Share ips Format Document 12. Based on your observations,...
How come p=0.2 only represents dominant phenotype in males? How about p allele in females? Doesn’t...
How come p=0.2 only represents dominant phenotype in males?
How about p allele in females? Doesn’t P= 0.2 represents p allele
in both males and females in the population?
*23.9 A trait determined by an X-linked dominant allele shows 100 percent penetrance and is expressed in 36 percent of the females in a population. Assuming that the population is in Hardy- Weinberg equilibrium, what proportion of the males in this population express the trait? ANS: In females, the frequency of...
Case B: In this population, the frequency of the dominant allele, B, is 0.5 and the frequency of the recessive allele, b, is 0.5. However, in this situation any individual who is born with the dominant trait has a 50 % chance of not surviving to reproductive age. Assuming that mating is still random, what will happen to the allele frequencies (p and q) after 5 generations? (le. Will one allele increase or decrease?) Prediction (1 mark): Reason (2 marks):...
10. Did the allele frequencies p and q remain the same from generation to generation in the population? No the allele frequencies did not remain the same from generation to generation. (????) 11. Did the population undergo microevolution? Explain your reasoning. Yes, the population undergoes microevolution. There is found negative selection for the homozygous dominant genotype. (????) I BIO 101 Lab 11: Population Genetics 16 able Chart Text Shape Media Comment Share ips Format Document 12. Based on your observations,...
How come p=0.2 only represents dominant phenotype in males?
How about p allele in females? Doesn’t P= 0.2 represents p allele
in both males and females in the population?
*23.9 A trait determined by an X-linked dominant allele shows 100 percent penetrance and is expressed in 36 percent of the females in a population. Assuming that the population is in Hardy- Weinberg equilibrium, what proportion of the males in this population express the trait? ANS: In females, the frequency of...
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