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A woman has a haemophilic son and three ...

A woman has a haemophilic son and three normal children . Her genotype and that of her husband with respect to this gene would be

A

`XX and X^(h)Y`

B

`X^(h)X^(h) and X^(h)Y`

C

`X^(h)X^(h) and XY`

D

`X^(h)X and XY`

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The correct Answer is:
D
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