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The Empirical Inadequacy of Species Cohesion by Gene Flow

Matthew J. Barker
Philosophy of Science
Vol. 74, No. 5, Proceedings of the 2006 Biennial Meeting of the Philosophy of Science AssociationPart I: Contributed PapersEdited by Cristina Bicchieri and Jason Alexander (December 2007), pp. 654-665
DOI: 10.1086/525611
Stable URL: http://www.jstor.org/stable/10.1086/525611
Page Count: 12
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The Empirical Inadequacy of Species Cohesion by Gene Flow
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Abstract

This paper brings needed clarity to the influential view that species are cohesive entities held together by gene flow, and then develops an empirical argument against that view: Neglected data suggest gene flow is neither necessary nor sufficient for species cohesion. Implications are discussed.

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