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Article

Independent axes of genetic variation and parallel evolutionary divergence of opercle bone shape in threespine stickleback.

Evolution; international journal of organic evolution - 1 Feb 2012

Kimmel Charles B, Cresko William A, Phillips Patrick C, Ullmann Bonnie, Currey Mark, von Hippel Frank, Kristjánsson Bjarni K, Gelmond Ofer, McGuigan Katrina

Abstract excerpt

Evolution of similar phenotypes in independent populations is often taken as evidence of adaptation to the same fitness optimum. However, the genetic architecture of traits might cause evolution to proceed more often toward particular phenotypes, and less often toward others, independently of the adaptive value of the traits. Freshwater populations of Alaskan threespine stickleback have repeatedly evolved the...

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Identifiers

PMID: 22276538
DOI: 10.1111/j.1558-5646.2011.01441.x
PMCID: PMC4039416

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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