If the frequency of a particular allele that is present in a small, isolated population of alpine plants decreases due to a landslide that leaves an even smaller remnant of surviving plants bearing this allele, then what has occurred?

Question

Quizplus · Accepted Answer

A bottleneck has occurred because the landslide drastically reduced the population size, genetic drift has occurred because the allele frequency changed due to random chance, and microevolution has occurred because there is a change in allele frequency within the population.

If the Frequency of a Particular Allele That Is Present