BOTTLENECK EFFECT AND FOUNDER EFFECT | csir net ecology important topics

CSIR net ecology important topics.

The bottleneck effect is a genetic drift event that happens when a population's size is significantly reduced, leaving behind a small, random group of survivors. The bottleneck effect can be caused by natural disasters like earthquakes, floods, or fires, or by human activities.

Founder effect-Changes in gene frequencies that usually accompany starting a new population from a small number of individuals.

GENETIC DRIFT , FOUNDER EFFECT, BOTTLENECK EFFECT