4. Imagine a situation where the frequency of allele I (P) was 0.4 on an island

Question

4. Imagine a situation where the frequency of allele I (P) was 0.4 on an island and the same allele in the mainland population had a frequency of 0.6 (p.). Assume 20 individuals from the mainland joined the 80 individuals in the existing island population (and, of course, bred with them. You may assume the equation p., = (1-m)p, + m(Pm) will be helpful in the following question. a. What is the rate of migration to the island? (3 points) b. What is the expected frequency of the allele I° (p,) in the next generation of the island population? (4 points) b. After many generations with repeated rounds of immigration from the mainland, the island population will likely evolve to have what frequency for the 1 allele? (3 points) 5. For each of the following multiple choice questions, circle the appropriate letter to indicate the single best answer. (2 points each) There is a gene that causes people to have crumbly earwax. This gene is expressed as a dominant with complete penetrance. Homozygous recessive individuals (cc) have gooey earwax. On Paradise Island. there are 100 individuals, 75 of whom have crumbly carwax. Assuming HWE conditions prevail, what is the frequency of the c allele on the island? A. 0.25 B. 0.50 C. 0.75 D. 0.87 E. Not enough information is provided to calculate an answer A graph of the average calf weight at 6 weeks (y axis) versus parental midpoint for weight at 6 weeks (x axis) has a linear relationship with a slope of 0.23. Based on this information, what is the correct interpretation of these data.? A. The narrow sense heritability is 0.23 B. The broad sense heritability is 0.23 C. The narrow sense heritability is 0.46 D. The broad sense heritability is 0.46 E. Not enough information is provided to tell

Explanation / Answer

3. Hardy Weinberg equilibrium requirements: Option A

Mating should be random.

Population must be large size

No natural selection

Population must be isolated from other population without immigration or emigration of individuals.

Mutation must be absent.

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