Definition of founder effect in English:

founder effect

Line breaks: found¦er ef¦fect


  • The reduced genetic diversity which results when a population is descended from a small number of colonizing ancestors.
    More example sentences
    • The two-dimensional pattern of colonization also played a major role, increasing the number of source populations for each newly founded population and thus strongly reducing the founder effect.
    • Demographic history appears to have been stable for the auklets throughout the past several million years, and a founder effect associated with their speciation is unlikely.
    • The differences between replicates possibly result from a founder effect.

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Pronunciation: ˈtɔːtiː
a tortoiseshell cat