Balanced Polymorphism Is Illustrated By

Balanced polymorphism is illustrated by:

A) a situation where the selective pressure enhances the frequency of heterozygotes over homozygotes.
B) a situation where the selective pressure enhances the frequency of homozygotes over heterozygotes.
C) only situations where disease impacts allele frequency.
D) situations where allelic homozygosity is impossible.
E) All of the answer options are correct.