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Of a normal couple half the sons are hae...

Of a normal couple half the sons are haemophiliac while half the diughters are carriers .The gene islocated on

A

X-chromosome of father

B

Y-chromosome of father

C

one X-chromosome of mother

D

both the X-chromosomes of mother

Text Solution

Verified by Experts

The correct Answer is:
C

Haemophilia is a sex-linked disease. Gene of this disease is located on X-chromosome. In the given case where half the sons are haemophilic and half the daughters are carries this is possible only when the gene responsible for haemophilia is located on one X-chromosome of mother.
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