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Sex is determined in human beings...

Sex is determined in human beings

A

by ovum

B

at the time of fertilisation

C

40 days after fertilisation

D

seventh to eight week when genitals differentiate in foetus

Text Solution

Verified by Experts

The correct Answer is:
B
In human beings male produces two types of sperms. 50% of them carry X-chromosome and 50% have Y-chromosome.
Sex in human beings is determined at the time of fertilisation because sex of baby depends upon which sperm fertilises the ovum.
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