Founder effect refers to a type of genetic drift in which allele frequencies are changed in small populations that are taken from larger populations or are left over from the latter.

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The founder effect is a form of genetic drift that occurs when a new population is established by a very small number of individuals from a larger population, leading to a reduction in genetic variation and potentially different allele frequencies in the new population compared to the original one.

Founder Effect Refers to a Type of Genetic Drift in Which