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Founder Effect

A phenomenon that is observed when a small subgroup of a larger POPULATION establishes itself as a separate and isolated entity. The subgroup's GENE POOL carries only a fraction of the genetic diversity of the parental population resulting in an increased frequency of certain diseases in the subgroup, especially those diseases known to be autosomal recessive.

Year introduced: 1995

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Tree Number(s): G05.285

MeSH Unique ID: D018703

Entry Terms:

  • Effect, Founder
  • Effects, Founder
  • Founder Effects

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