Give three instances demonstrating how genes regulate sex de

Give three instances demonstrating how genes regulate sex determination in mammals.

Solution

Genes regulate sex determination in mammals are present on X and Y chromosomes. The Female contains XX and Male have XY chromosomes. Gene on Y Chromosome determines male sex is w/ 45 genes, and it is responsible for maleness, in females the y chromosome is absent. Male also has a big X chromosome, with 1100 genes. SRY gene found on short arm of Y chromosome, it is a sex-determining region of Y chromosome. Sox 9 gene regulate gonad to turn to testicle.