In which of the following situations would genetic drift most likely cause evolution?
A) The size of the gene pool increases because a smaller group establishes a new population.
B) Chance events cause allele frequencies to fluctuate unpredictably.
C) A sudden change in the environment drastically increases the population size.
D) The population has inherited traits better suited to a different environment.

Question

Quizplus · Accepted Answer

Genetic drift refers to random fluctuations in the frequencies of alleles within a population's gene pool. It is most likely to cause evolution in small populations where chance events can significantly impact allele frequencies, as described in option B.

In Which of the Following Situations Would Genetic Drift Most