Question

A particular gene in a given population of individuals has two alleles, A and a. The frequency of the A allele equals the frequency of the a allele. What are the expected genotype frequencies, assuming the population is in Hardy-Weinberg equilibrium?

	AA = 0.25, Aa = 0.50, aa = 0.25
	AA = 0.5, aa = 0.5
	The answer cannot be determined because the allele frequencies are not provided.
	A = 0.5, a = 0.5