If a population is monomorphic for an allele at one locus, the population is _______ for that allele, and the frequency of the allele is _______.
A) homozygous; 1
B) fixed; 0.5
C) heterozygous; 0
D) fixed; 1
E) heterozygous; 1

Question

Quizplus · Accepted Answer

If a population is monomorphic for an allele at one locus, it means that all individuals have the same homozygous genotype for that allele. Therefore, the frequency of the allele would be fixed at 1, as it is the only allele present in the population.

If a Population Is Monomorphic for an Allele at One