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Sex-Chromosome Homomorphy in Palearctic Tree Frogs Results from Both Turnovers and X-Y Recombination.

Molecular biology and evolution - 1 Sept 2015

Dufresnes Christophe, Borzée Amaël, Horn Agnès, Stöck Matthias, Ostini Massimo, Sermier Roberto, Wassef Jérôme, Litvinchuck Spartak N, Kosch Tiffany A, Waldman Bruce, Jang Yikweon, Brelsford Alan, Perrin Nicolas

Abstract excerpt

Contrasting with birds and mammals, poikilothermic vertebrates often have homomorphic sex chromosomes, possibly resulting from high rates of sex-chromosome turnovers and/or occasional X-Y recombination. Strong support for the latter mechanism was provided by four species of European tree frogs, which inherited from a common ancestor (∼ 5 Ma) the same pair of homomorphic sex chromosomes (linkage group 1, LG1),...

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PMID: 25957317
DOI: 10.1093/molbev/msv113

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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