Question

Describe the process of sex determination in unborn human baby​

Answer 1

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Answer 2

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Describe the process of sex determination in unborn baby:

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Sex determination in unborn human baby :

• The sex of unborn baby is determined by the sex chromosomes.

• An unfertilized egg always has X chromosomes.

• Sperms are of two types.

• One contain X chromosomes and the other contains Y chromosomes.

• If sperm contributes a Y chromosome to the egg at fertilization, the zygote would develop into male child.

• If a sperm containing X chromosome fertilizes the egg, the zygote would develop into a female child.

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