Mutations that have no effect on fitness
A) are advantageous.
B) will vary in frequency due to genetic drift.
C) usually become established in the population.
D) are always in the third position of a codon.
E) are selected for by environmental conditions.

Question

Quizplus · Accepted Answer

Mutations that have no effect on fitness are neutral and can vary in frequency within a population due to genetic drift, a mechanism of evolution that involves random changes in allele frequencies.

Mutations That Have No Effect on Fitness