Mutation is the only evolutionary mechanism that
A) is more important in eukaryotes than in prokaryotes.
B) has no effect on genetic variation.
C) is not mentioned by the Hardy- Weinberg model.
D) can cause decreased fitness.
E) does little to change allele frequencies on its own.

Question

Quizplus · Accepted Answer

Mutation alone typically has a small effect on allele frequencies because it occurs at a low rate compared to other mechanisms like selection or genetic drift.

Mutation Is the Only Evolutionary Mechanism That