Sex Chromosomes
Sex chromosomes contain the genes that determine our biological sex. In humans and most other mammals, sex chromosomes occur in pairs. An X/Y chromosome pair results in a male, and an X/X pair results in a female.
Sex chromosomes contain the genes that determine our biological sex. In humans and most other mammals, sex chromosomes occur in pairs. An X/Y chromosome pair results in a male, and an X/X pair results in a female.