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An abnormal human baby with 'XXX' sex ch...

An abnormal human baby with 'XXX' sex chromosomes was born due to

A

Formation of abnormal sperms in the father

B

Formation of abnormal ova in the mother

C

Fusion of two ova and one sperm

D

Fusion of two sperms and one ovum

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A person with sex chromosomes XXY suffers from

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In human males all the chromosomes are paired perfectly except one. The unpaired chromosomes are:

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