Genetic drift resulting from a disaster that drastically reduces population size is called
A) natural selection.
B) gene flow.
C) the bottleneck effect.
D) the founder effect.

Question

Quizplus · Accepted Answer

The bottleneck effect occurs when a disaster drastically reduces population size, leading to a random loss of alleles and genetic diversity through genetic drift. Natural selection is the process by which advantageous traits become more common in a population over time, while gene flow is the transfer of alleles from one population to another. The founder effect occurs when a small group of individuals establishes a new population, leading to a loss of genetic diversity due to the limited number of individuals that contributed to the gene pool of the new population.

Genetic Drift Resulting from a Disaster That Drastically Reduces Population