Overview
Genetic drift is a vital concept in evolutionary biology that describes how allele frequencies in a population can change due to random events. This process can lead to significant genetic changes, especially in small populations. The bottleneck effect occurs when a population's size is drastically ...
Key Terms
Example: Different alleles can result in variations in traits, like flower color.
Example: High genetic diversity helps populations adapt to changing environments.
Example: The northern elephant seal experienced a bottleneck due to hunting.
Example: The Amish community in the U.S. shows a founder effect with certain genetic traits.
Example: If 70 out of 100 alleles are A, the frequency of A is 0.7.
Example: Peppered moths changed color due to pollution, showing natural selection.