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Article

A cancer-causing gene is positively correlated with male aggression in Xiphophorus cortezi.

Journal of evolutionary biology - 1 Feb 2010

Fernandez A A

Abstract excerpt

The persistence of seemingly maladaptive genes in organisms challenges evolutionary biological thought. In Xiphophorus fishes, certain melanin patterns form malignant melanomas because of a cancer-causing gene (Xiphophorus melanoma receptor kinase; Xmrk), which arose several millions years ago from unequal meiotic recombination. Xiphophorus melanomas are male biased and induced by androgens however male behaviour...

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Identifiers

PMID: 20021547
DOI: 10.1111/j.1420-9101.2009.01914.x
PMCID: PMC2901164

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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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