Human baby will be a male if its 23rd chromosome pair is ____.

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Question

Human baby will be a male if its 23rd chromosome pair is ____.

Options:

A . XX

B . XY

C . X

D . XXX

Answer: Option B
:
B
Humans contain 22 pairs of autosomes and 1 pair of sex chromosomes. The female gamete or the egg consists of an “X” chromosome. If this is fertilised by a sperm containing “X” chromosome, the baby will have “XX” chromosome and will be a female. But if the egg is fertilised by a sperm containing “Y” chromosome, the baby will have “XY” chromosome and will be a male.

Human Baby Will Be A Male If Its 23rd Chromosome Pair Is ___...

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