Question

Normal human being has how many pairs of chromosomes

Answer 1

a normal human being has 23 pairs of chromosomes

Answer 2

Answer: normal human beings have 23 pairs of chromosomes

Explanation: that means there are in Total 46 chromosomes. sex of a child depends on what happens during fertilization

1) If a sperm carrying X chromosome fertilizers and ovum which carries X chromosome then the child born will be a girl.

2) If a sperm carrying Y chromosome fertilization an ovum which carries X chromosome then the child born will be boy.

Thus, sperm from father determines the sex of the child.

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