This page explores human sexual chromosomes, focusing on the roles of X and Y chromosomes in sex determination, the significance of the SRY gene, and examples of genetic conditions like hemophilia and...This page explores human sexual chromosomes, focusing on the roles of X and Y chromosomes in sex determination, the significance of the SRY gene, and examples of genetic conditions like hemophilia and Turner syndrome. It also discusses sex determination in other species, including Klinefelter's syndrome, the role of the X chromosome in fruit flies, and ZZ/ZW systems in birds.