Question

If a haemophilic man marries a woman carrier (heterozygous) for haemophilia, what would be the possibility that their daughter would be haemophilic
(a) 100%
(b) 75%
(c) 50%
(d) 0%

Answer 1

50% b'coz male is haemophilic and female is carrier and haemophilia is a x linked disease..