| zz/zw sex chromosomes in the endemic puerto rican leaf-toed gecko (phyllodactylus wirshingi). | investigating the evolutionary processes influencing the origin, evolution, and turnover of vertebrate sex chromosomes requires the classification of sex chromosome systems in a great diversity of species. among amniotes, squamates (lizards and snakes) - and gecko lizards in particular - are worthy of additional study. geckos possess all major vertebrate sex-determining systems, as well as multiple transitions among them, yet we still lack data on the sex-determining systems for the vast majorit ... | 2019 | 30685761 |