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founder effect Syllabification: found·er ef·fect

Definition of founder effect in English:


The reduced genetic diversity that results when a population is descended from a small number of colonizing ancestors.
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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