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Preferred term

genetic drift

Definition

[Henderson's] (1) random changes in gene frequency in small isolated populations owing to factors other than natural selection, such as sampling of only a small number of gametes in each generation. alt. Sewall Wright effect; (2) random nucleotide changes in a gene not subject to natural selection; (3) small changes in the genome of the inﬂuenza virus that cause annual outbreaks but not serious epidemics or pandemics. cf. genetic shift.

Broader concept

genetics

Scope note

MS Academic Keywords

Creator

https://orcid.org/0000-0003-2195-3997

URI

http://vocabs.lter-europe.net/EnvThes/21623

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Created 8/3/16, last modified 6/18/18

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