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A woman has haemophilic brother and norm...

A woman has haemophilic brother and normal parents. She wants to marry a man who has no history of haemophila in his family. What is the possibility of her children having this disease

A

50% of the sons may be haemophilic

B

50% of the total generation will be haemophilic

C

all will be haemophilic

D

none of them will be haemophilic

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The correct Answer is:
A
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