Which of the following disorders is more commonly observed in males than in females?

What are the chances of colour-blind daughters and sons being born in a marriage between a normal man and a normal woman whose father was colour-blind?

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:

The disease 'Haemophilia' is caused due to the lack of:

Blackening of urine,when exposed to air,is a metabolic disorder in human beings. This is due to:

If a color-blind man marries a normal woman,then regarding the vision of their offspring,which of the following is true?