Library Index :: The Environment: FMD to Genetically engineered organism
 

founder effect

Genetic, Become, New, Carried, Excluded, Larger, Alleles, and Formed

The decrease in genetic diversity when a new colony is formed by a small number of individuals from a larger population elsewhere, because many rare and usually undesirable alleles are excluded and a few that are carried by the founders become more frequent. See also genetic drift.

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