. How many pairs of chromosomes are present in human beings Out of these how many are sex chromosomes


Best Answer

Ans. i. There are 23 pairs of .chromosomes  present  in human  beings.

ii.  There is 1 pair of sex chromosomes  present  in human  beings.

iii. 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 chromoso e. Males contain one X chromosome  and one Y chromosome (XY), while females contain  two X chromosomes  (XX).

 

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