In small populations,gene frequencies can change drastically by chance alone.This phenomenon is called:

Question

Quizplus · Accepted Answer

Genetic drift is the phenomenon where gene frequencies can change drastically by chance alone in small populations. Migration refers to the movement of individuals from one population to another, while density-independent and density-dependent effects are factors that affect population growth, but do not specifically refer to the change in gene frequencies.

In Small Populations,gene Frequencies Can Change Drastically by Chance Alone