Question
Biology Question on Principles of Inheritance and Variation
Incorrect statement with regard to haemophilia is
A
A single protein involved in clotting of blood is affected
B
It is sex-linked disease
C
It is recessive disease
D
It is a dominant disease
Answer
It is a dominant disease
Explanation
Solution
Haemophilia is a sex linked recessive disease. A single protein that is a part of the cascade of protein is involved in the clotting of blood is affected. The heterozygous female for haemophilia may transmit the disease to sons.