founder effect

A random difference in allele frequencies of a population founded by a small group of organisms relative to the allele frequencies in the original population.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

References in periodicals archive

The final chapter, "Marginalized Peoples and Creole Genesis: Societes de cohabitation and the Founder Principle" (by Faraclas and eight others), is a critique of the hypothesis that Founder populations determine the language evolution--an approach notably used by Chaudenson and Salikoko Mufwene to show that Reunionnais was inspired by French vernaculars, thus denying African agency.

Nicholas Faraclas (ed.): Agency in the Emergence of Creole Languages: The Role of Women, Renegades, and People of African and Indigenous Descent in the Emergence of the Colonial Era Creoles

Genetics, speciation, and the founder principle. Oxford University Press, Oxford, U.K.

Postmating isolation analysis in founder-flush experimental populations of Drosophila pseudoobscura

Genetics, speciation and the founder principle. Oxford University Press, New York.

Presumptive rapid speciation after a founder event in a laboratory population of Nereis: allozyme electrophoretic evidence does not support the hypothesis

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