Question

How is the genetic determination of sex established in humans ? How many types of sex chromosomes present in humans ? Plz explain in detail .

Answer 1

In human beings there are 46 chromosomes ,out of which 44 are autosomes and 2 of them are sex chromosomes.The individual inherits one of these chromosomes each from father and mother.

The human sex chromosomes are called the X chromosome and Y chromosome. Individuals with two X chromosomes (44 + XX) are female. Individuals with one X chromosome and one Y chromosome (44 + XY) are male.

Hope it helps