Of both normal parents the chances of a male child becoming colour blind are

Of both normal parents, the chance of a male child becoming colour blind are

Of both normal parents, the chance of a male child becoming colour blind are

If both parents of a male child are normal, what are the chances of the child being colour blind ?

If both parents of a male child are normal,what are the chances of the child being colour blind ?

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

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

If a man who is colour blind marries a woman who is pure normal for colour vision ,the chance of their sons having colour blindess is :

If both parent are bald and their first female child is normal, then the chances of baldness in their second male child is :-