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What is the important role of male in the *** of male child?

Posted by Rutuja Lomte Sweety 6 years, 10 months ago

CBSE > Class 08 > Science

1 answers

Meghna Thapar 5 years, 10 months ago

The *** of a baby to be born is decided at the moment the egg of the woman gets fertilized by the sperm of man because the instructions for determining the *** of the baby are present in the *** chromosomes present in the nucleus of the fertilized egg called zygote.

The *** of the child depends on the following conditions:

When a sperm containing X chromosome fertilises an egg which carries X chromosome, the zygote formed would have two X chromosomes and develop into a female child.
If the sperm contributes a Y chromosome to the egg (ovum) at the time of fertilization, the zygote would develop into a male child.

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CBSE > Class 08 > Science