Mardi Gras-a carnival held in some countries on Shrove Tuesday (the last day before Lent) but especially in New Orleans.
Bottleneck effect is when there's something that either kills the majority of the population or just prevents it from reproducing. This creates genetic drift because the likelihood of gene prominence changing is much higher in a small population. The Founder Effect is a type of Bottleneck effect. It is when a small amount of individuals starts a population usually due to migration.
Bottleneck Effect Key Concepts. To approach questions about the bottleneck effect on the AP exam, focus on the key features of the process and context clues that might give away the right answer. The key features of the bottleneck effect: â¢ Drastic reduction in population size â¢ Loss of genetic diversity. Context clues to look for: