Principles of Inheritance and Variation Question 150

150. The incorrect statement with regard to Haemophilia is :

(a) It is a recessive disease

(b) It is a dominant disease

(c) A single protein involved in the clotting of blood is affected

(d) It is a sex-linked disease

Show Answer

Answer : b

Hints & Solution

(b) Haemophilia is sex linked recessive disease in which a simple protein that is a part of protein cascade involved in clotting of blood is affected. Due to this, in an affected individual, a simple cut will result in non-stop bleeding.