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Article

Spontaneous similarity discrimination in the evolution of cooperation.

Journal of theoretical biology - 21 Apr 2012

Colman Andrew M, Browning Lindsay, Pulford Briony D

Abstract excerpt

The similarity discrimination effect occurs when a single gene or gene cluster causes its carriers to display both a variable phenotypic trait and a behavioural predisposition to cooperate preferentially with recognisably similar carriers. We distinguish this from the greenbeard effect, in which cooperation evolves through fixed phenotypic tags and genetically linked cooperative behaviour with others displaying...

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Identifiers

PMID: 21640125
DOI: 10.1016/j.jtbi.2011.05.022

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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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