4) For a population at Hardy-Weinberg equilibrium, what is the ratio of heterozy

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4) For a population at Hardy-Weinberg equilibrium, what is the ratio of heterozygotes to recessive homozygotes when q = 0.10. What is it when q = 0.001? How does this relate to the rate of elimination of deleterious recessives?

5) Consider a plant that undergoes selfing (mating with self). If the genotype frequencies for this plant are given as (1/4)AA, (1/2)Aa and (1/4)aa in one generation, and the next generation is produced entirely by self-fertilization (complete inbreeding), what will the genotype frequencies be in the next generation? What about the next generation?

6) Imagine that the selection coefficient (s) against a harmful recessive allele (which occurs at a frequency q = 0.01), changes from s = 0.5 to s = 1. What effect will this change have on delta p (the change in the frequency of the dominant allele from one generation to the next)?

Calculate delta p at s= 0.5 and s = 1.

Explanation / Answer

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