Genetic drift
A) can be very important in large populations.
B) is a change in allele frequency that results from purely chance events.
C) is a direct result of natural selection.
D) all of the above.

Question

Quizplus · Accepted Answer

Genetic drift refers to random fluctuations in the frequencies of alleles within a population over time. These changes are not due to natural selection but rather occur by chance, especially in small populations where the effects of chance events can have a larger impact on allele frequencies.

Genetic Drift