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Article

Adaptation from standing genetic variation.

Trends in ecology & evolution - 1 Jan 2008

Barrett Rowan D H, Schluter Dolph

Abstract excerpt

Populations adapt to novel environments in two distinct ways: selection on pre-existing genetic variation and selection on new mutations. These alternative sources of beneficial alleles can result in different evolutionary dynamics and distinct genetic outcomes. Compared with new mutations, adaptation from standing genetic variation is likely to lead to faster evolution, the fixation of more alleles of small...

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PMID: 18006185
DOI: 10.1016/j.tree.2007.09.008

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