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Article

Selection for altruism through random drift in variable size populations.

BMC evolutionary biology - 10 May 2012

Houchmandzadeh Bahram, Vallade Marcel

Abstract excerpt

BACKGROUND: Altruistic behavior is defined as helping others at a cost to oneself and a lowered fitness. The lower fitness implies that altruists should be selected against, which is in contradiction with their widespread presence is nature. Present models of selection for altruism (kin or multilevel) show that altruistic behaviors can have 'hidden' advantages if the 'common good' produced by altruists is...

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Identifiers

PMID: 22574999
DOI: 10.1186/1471-2148-12-61
PMCID: PMC3478210

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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