The original source of genetic variation that serves as the raw material for natural selection is ______.
A) mutation
B) gene flow
C) sexual recombination
D) random fertilization

Question

Quizplus · Accepted Answer

Mutation is the original source of genetic variation that serves as the raw material for natural selection. Mutations provide new alleles that can be selected for or against in a given environment, leading to evolution over time. While gene flow, sexual recombination, and random fertilization can contribute to genetic variation, they do not provide the initial source of new alleles.

The Original Source of Genetic Variation That Serves as the Raw