Question

question 4 of 25 which is an example of genetic drift? a. females choose mates, resulting in large males. b. allele frequencies change randomly each generation. c. polygenic traits change due to directional selection. d. artificial selection creates vegetables resistant to insects.

Explanation:

Genetic drift is the random change in allele frequencies in a population over generations. Option B describes this random change in allele frequencies each generation. Options A is sexual selection, C is directional selection affecting polygenic traits, and D is artificial selection.

Answer:

B. Allele frequencies change randomly each generation.