How is the sex of the child determined in human being?
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The sex of the child is determined in human beings by the chromosomes like female have two X chromosomes XX and male have one X chromosome and one Y chromosome XY. So by this way sex is determined.
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see the diagram..........
There are 46-46 chromosomes in both the males and females. In male, there are two pairs of chromosomes 22-22 and x,y. In females, there are also two pairs of chromosomes 22-22 and x,x. Both male and female transfer 22-22 chromosomes. With the 22 chromosomes, either x chromosome or y chromosome is transferred in male. And in the female, with the 22 chromosomes, x is transferred.
If X is transferred in both male and female, then the pair formed will be (x,x) and there would be a girl. And if Y would be transferred by male and X would be transferred in female, then the pair formed will be (x,y) and there will be a boy.
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