Which disease is genetically linked

A normal­visioned man whose father was colour­ blind, marries a woman whose father was also colour­blind. They have their first child as a daughter. What are the chances that this child would be colour­ blind ?

Haemophilic female marries normal male, the theoretical ratio of their offsprings regarding haemophilia will be

Haemophilia is

Which is correct for inheritance of autosome linked recessive gene?

Recessive characters are expressed