Question

what is the chromosomal system for determining sex in mammals.​

Answer 1

Answer:

chromosome regulates sex determination in mammals. In placental mammals, the presence of a Y chromosome determines sex.

Answer 2

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The SRY gene (blue band) on the male Y chromosome regulates sex determination in mammals. In placental mammals, the presence of a Y chromosome determines sex. Normally, cells from females contain two X chromosomes, and cells from males contain an X and a Y chromosome.