In a Hypothetical Population of Sawflies, 20 Percent of the Population

Multiple Choice

In a hypothetical population of sawflies, 20 percent of the population is homozygous for allele A and 45 percent is homozygous for allele a. Assuming that A and a are the only alleles at this locus, what percent of the population is heterozygous?

A) 10 percent
B) 20 percent
C) 35 percent
D) 45 percent
E) Insufficient information is given to answer the question.