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Article

Drivers of achiasmatic meiosis: sexual antagonism versus heteromorphy-dependent aneuploidy across sex-chromosome divergence.

G3 (Bethesda, Md.) - 12 Nov 2025

Barboza Andres, Blackmon Heath

Abstract excerpt

Crossing over during meiosis ensures proper chromosome segregation and promotes genetic diversity. In species with chromosomal sex determination, recombination between sex chromosomes is often reduced or eliminated; yet, the evolutionary forces driving this shift remain debated. One extreme outcome, achiasmatic meiosis, typically completely halts recombination in the heterogametic sex. Here, we use a population...

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Identifiers

PMID: 40973641
DOI: 10.1093/g3journal/jkaf217
PMCID: PMC12610934

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 2 Sept 2026.

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