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A Brief Review of Meiotic Chromosomes in Early Spermatogenesis and Oogenesis and Mitotic Chromosomes in the Viviparous Lizard Zootoca vivipara (Squamata: Lacertidae) with Multiple Sex Chromosomes

The wide-ranging Eurasian species Zootoca vivipara (Lichtenstein, 1823), of the family Lacertidae (Reptilia), is a rare species within the family, possessing multiple sex chromosomes (male Z1Z2Z1Z2/Z1Z2W female). In addition, the intense reorganization of this W sex chromosome is accompanied by active subspeciation and the formation of 4–5 cryptic taxa.  Leer más.

https://www.mdpi.com/animals/animals-13-00019/article_deploy/html/images/animals-13-00019-g003-550.jpg

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