Haemophilia is caused by an X-linked recessive mutation in humans.If a woman whose paternal uncle (father's brother)was a haemophiliac marries a man whose brother is also a haemophiliac,what is the probability of their first child having haemophilia? Assume that there are no other cases of haemophilia in the pedigree and no hidden carriers.
A) 0
B) 1/4
C) 1/2
D) 1/8
E) 1

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The Answer of Haemophilia is caused by an X-linked recessive mutation in humans.If a woman whose paternal uncle (father's brother)was a haemophiliac marries a man whose brother is also a haemophiliac,what is the probability of their first child having haemophilia? Assume that there are no other cases of haemophilia in the pedigree and no hidden carriers.
A) 0
B) 1/4
C) 1/2
D) 1/8
E) 1

Haemophilia Is Caused by an X-Linked Recessive Mutation in Humans