Q. 43.7( 3 Votes )

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Answer :

A male has XY chromosomes and a female has XX chromosomes. So, the sperms will have half X chromosomes and half Y chromosomes.


1. If a sperm carrying X chromosome from male gets combined with the X chromosome from female, then the combination will be XX and child will be a baby girl.


2. If a sperm carrying Y chromosome from male gets combined with the X chromosome from female, then the combination will be XY, and the child will be a baby boy.


So, the chromosomal difference between sperms and eggs of humans is responsible for determination of the sex of the child.


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