A man with normal vision whose father was colourblind marries with women whose father was also colourblind. Suppose their first child is daughter then what are the chances of this child to be colourblind?

A colour blind man marries a woman with normal sight who has no history of colour blindness in her family. What is the probability of their grandson being colour blind ?

Select the incorrect statement with regard to haemophilia.

Haemophilia is example of

Mention any two autosomal genetic disorders with their symptoms.

If a colour blind lady marries a normal man, their children will be