Haemophilia is caused due to the lack of:

Haemophilia is also called

The genes $HBA1$ and $HBA2$ associated with alpha-thalassemia are located on which chromosome in humans?

Given below are two statements:
Statement $I$: Sickle cell anaemia and Haemophilia are autosomal dominant traits.
Statement $II$: Sickle cell anaemia and Haemophilia are disorders of the blood.
In the light of the above statements,choose the correct answer from the options given below:

If a colour blind woman marries a normal visioned man,their sons will be

The daughter born to a haemophilic father and a normal mother could be: