Genetic Drift

Discover what happens when random events meet allele frequencies: genetic drift! This Amoeba Sisters video also discusses the bottleneck and founder effect as well as contrasts genetic drift with natural selection. Table of Contents: 00:00 Intro 1:33 Defining Genetic Drift 1:43 Comparing Genetic Drift to Natural Selection 2:05 Bottleneck Effect 2:52 Founder Effect 3:34 Genetic Drift is a Mechanism for Evolution 3:39 Population Sizes and Genetic Drift