Which one of these processes describes the "bottleneck effect"?
A) chance events that change allele frequency
B) alleles transferred to the next generation in portions that differ from previous generation
C) transfer of alleles in and out of a population due to movement of fertile individuals
D) sudden change in environments that alters gene frequency of a population

Question

Quizplus · Accepted Answer

The bottleneck effect occurs when a sudden environmental change drastically reduces the size of a population, leading to a change in allele frequencies due to the reduced genetic diversity of the survivors.

Which One of These Processes Describes the "Bottleneck Effect