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Article

Testing evolutionary models of senescence in a natural population: age and inbreeding effects on fitness components in song sparrows.

Proceedings. Biological sciences - 22 Mar 2008

Keller L F, Reid J M, Arcese P

Abstract excerpt

Mutation accumulation (MA) and antagonistic pleiotropy (AP) have each been hypothesized to explain the evolution of 'senescence' or deteriorating fitness in old age. These hypotheses make contrasting predictions concerning age dependence in inbreeding depression in traits that show senescence. Inbreeding depression is predicted to increase with age under MA but not under AP, suggesting one empirical means by...

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Identifiers

PMID: 18211879
DOI: 10.1098/rspb.2007.0961
PMCID: PMC2366077

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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