genetic drift

3 Articles

Genetic Drift: How Random Chance Reshapes Evolution

Genetic drift is a change in allele frequency within a population caused by random sampling rather than natural selection. It affects every finite...

March 23, 2026

The founder effect is a type of genetic drift in which a small group separates from a larger population and establishes a new...

March 21, 2026

The bottleneck effect is a form of genetic drift in which a population's size drops sharply, leaving survivors with only a fraction of...

March 21, 2026