ZZ/ZW Sex Determination with Multiple Neo-Sex Chromosomes is Common in Madagascan Chameleons of the Genus Furcifer (Reptilia: Chamaeleonidae)

A new study analyzed the karyotypes of six Furcifer species and finds chromosomal variability among the species, with diploid (2n) chromosomal counts of 22-28 and distinct Z and W sex chromosomes with female heterogamety in all species, however four species expressed multiple neo-sex chromosomes.

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