Question

A woman with two genes for haemophilia and one gene for colour blindness on one of the'X' chromosomes marries a normal manHow will the progeny be? (1)50%haemophilic colour-blind sons and 50% haemophilic sons (2)50%haemophilic daughters and 50%colour blind daughters (3)All sons and daughters haemophilic and colour blind (4)Haemophilic and colour-blind daughters

Answer 1

Answer:

So, the correct answer is '50% haemophilic and colour blind sons and 50% normal sons'.

Answer 2

Answer:

woman with two genes for haemophilia and one gene for colour blindness on one of the'X' chromosomes marries a normal manHow will the progeny be?

(1)50%haemophilic colour-blind sons and 50% haemophilic sons ✔✔✔

(2)50%haemophilic daughters and 50%colour blind daughters

(3)All sons and daughters haemophilic and colour blind

(4)Haemophilic and colour-blind daughters