Question

Haemophilia is more commonly seen in human males than in human females because [CBSE PMT 2005]
A) This disease is due to an X-linked dominant mutation
B) A grater proportion of girls die in infancy
C) This disease is due to an X-linked recessive mutation
D) This disease is due to a Y-linked recessive mutation

Answer 1

C) this disease is due to a Y-linked recessive mutation

Answer 2

C) This disease is due to an X-linked recessive mutation. is the answer