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Article

Maintenance of genetic variation in immune defense of a freshwater snail: role of environmental heterogeneity.

Evolution; international journal of organic evolution - 1 Aug 2010

Seppälä Otto, Jokela Jukka

Abstract excerpt

Natural populations often show genetic variation in pathogen resistance, which is paradoxal because natural selection is expected to erode genetic variation in fitness-related traits. Several different factors have been suggested to maintain such variation, but their relative importance is still poorly understood. Here we examined if environmental heterogeneity and genetic trade-offs could contribute to the...

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PMID: 20298461
DOI: 10.1111/j.1558-5646.2010.00995.x

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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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