The incorrect statement with regard to haemophilia is
The incorrect statement with regard to haemophilia is
it is a sex-linked disease
it is a recessive disease
it is a dominant disease
a single protein involved in the clotting of blood is affected
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.