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Chromosomes

A woman has t...

Question

A woman has two sex chromosomes. One is X and the other is __.

A

X

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B

Y

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C

Z

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D

O

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Solution

The correct option is A X
A woman has two sex chromosomes and both of them are X. An egg always has an X chromosome; when it gets fertilized by a sperm carrying another X chromosome, it develops as a girl and when it gets fertilized by a sperm carrying Y chromosome, it develops as a boy.

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