Of a normal couple, half the sons are haemophilic while half the daughters are carriers. The gene is located in

Q. Of a normal couple, half the sons are haemophilic while half the daughters are carriers. The gene is located in

A.            X- chromosome of father

B.            Y-chromosome of father

C.            one X chromosome of mother

D.            Both X-chromosomes of mother

Answer: one X chromosome of mother