Abstract
The present project aims to integrate cytogenetic and genomic analyzes to investigate the origin and differentiation of the multiple @X1X1X2X2/BX1X2Y sex chromosome system. The isolation and characterization of the satellite DNA library (satellitome) from different vertebrate groups (fish, reptiles and mammals) will be carried out. To this end, fish (the trahira Hoplias malabaricus and th…