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Haemophilia is more common in males beca...

Haemophilia is more common in males because it is a

A

recessive character carried by Y-chromosome

B

dominant character carried by Y-chromosome

C

dominant trait carried by X-chromosome

D

recessive trait carried by X-chromosome

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The correct Answer is:
D
Haemophilia is a disorder, which is sex-linked (X-chromosome) recessive condition. Males have only one X-chromosome, so this disease appears in them more then female as they have 2X-chromosomes.
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