Data for an Autosomal Recessive Trait Shows That Heterozygous Individuals

Multiple Choice

Data for an autosomal recessive trait shows that heterozygous individuals have the highest relative fitness. Those who are unaffected and homozygous for the dominant A allele have a relative fitness of 84% compared to heterozygous individuals, but only about 30% of those who are affected survived to reproduce. What is the estimated equilibrium frequency for allele A in this population?

A) 0.700
B) 0.160
C) 0.186
D) 0.814
E) 0.357