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founder effect
(redirected from Founding population)

    Also found in: Medical, Wikipedia 0.01 sec.
founder effect [′fau̇n·dər i‚fekt]
(genetics)
The overrepresentation of a specific allele at one or more loci in a new population that arises from a small number of individuals whose small gene pool may be unrepresentative of the parental population initially or as a result of the ensuing genetic drift.
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But until now no one had figured out a way to determine what the sex-ratio of this so-called founding population might have been.
Males dominated 'out-of-Africa' migration 60,000 years ago by AFP / AFP Global Edition
In summary, the data suggest that no variability losses have taken place during the introduction of the Manila clam in the Italian region of Veneto, and that the founding population carried most of the genetic variability existing in the original Pacific populations.
Polymorphisms at three introns in the Manila clam (Ruditapes ... by Cordero, David; Pena, Juan B.; Saavedra, Carlos / Journal of Shellfish Research
is older and may have been the founding population for A.
Francisella tularensis in the United States by Keim, Paul / Emerging Infectious Diseases
 
 
 
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