Consider a Population of Crickets in Which the a and a Alleles

Multiple Choice

Consider a population of crickets in which the A and a alleles at a single locus control the shape of the male and female reproductive organs.Males that are AA can only mate with females that are aa,and vice versa.Heterozygous individuals can mate with either homozygous group.After many generations of selection,the two alleles will reach a(n) _________ equilibrium due to _________ frequency dependent selection.

A) stable; negative
B) balanced; negative
C) unstable; positive
D) stable; directional
E) unstable; negative