Question

Whrit the determination of sex of body​

Answer 1

Answer:

In humans, sex is determined by sex chromosomes (XX females, XY males). The X and Y chromosomes harbor dramatically different numbers and sets of genes (about 1,000 genes on the X and only a few dozen genes on the Y), yet they originated from ordinary autosomes during the early evolution of mammals.

Answer 2

Answer:

Sex determination

Most mammals, including humans, have an XY sex-determination system: the Y chromosome carries factors responsible for triggering male development. ... Thus, male mammals typically have an X and a Y chromosome (XY), while female mammals typically have two X chromosomes (XX).

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