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Article

No evidence that Y-chromosome differentiation affects male fitness in a Swiss population of common frogs.

Journal of evolutionary biology - 1 Apr 2020

Veltsos Paris, Rodrigues Nicolas, Studer Tania, Ma Wen-Juan, Sermier Roberto, Leuenberger Julien, Perrin Nicolas

Abstract excerpt

The canonical model of sex-chromosome evolution assigns a key role to sexually antagonistic (SA) genes on the arrest of recombination and ensuing degeneration of Y chromosomes. This assumption cannot be tested in organisms with highly differentiated sex chromosomes, such as mammals or birds, owing to the lack of polymorphism. Fixation of SA alleles, furthermore, might be the consequence rather than the cause of...

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PMID: 31758728
DOI: 10.1111/jeb.13573

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