The frequency of a slightly deleterious allele maintained at an equilibrium frequency by mutation-selection balance would be higher
A) if the mutation rate is high.
B) if the mutation rate is low.
C) if the selection coefficient is high.
D) if the population size is small.

Question

Quizplus · Accepted Answer

A higher mutation rate increases the frequency of a deleterious allele in a population by introducing the allele more frequently, despite selection acting against it.

The Frequency of a Slightly Deleterious Allele Maintained at an Equilibrium