There are 23 pairs of chromosomes present in human beings.
There is 1 pair of sex chromosomes present in human beings.
The chromosomes which determine the sex of a person are called sex chromosomes. There are two types of sex chromosomes, one is called X chromosome and the other is called Y chromosome. Males contain one X chromosome and one Y chromosome (XY), while females contain two X chromosomes (XX).
Flow chart for determination of sex of a newborn-
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