Principles of Inheritance and Variation Question 203
203. Of a normal couple, half the sons are haemophilic while half the daughters are carriers. The gene is located on
[1993]
(a) X-chromosome of father
(b) Y-chromosome of father
(c) one X-chromosome of mother
(d) both the X-chromosomes of mother
Show Answer
Answer : c
Hints & Solution
(c) Since half the sons are haemophilic so the genes for haemophilia is located on $X$ chromosome of mother.
