Question

Girl of normal vision whose father was colour blind marries a man of normal vision whose father was also colour blind. The sons of this marriage would be ______.

Options

• all normal

• all colour blind

• 50% colour blind

• 25% colour blind

Answer 1

Girl of normal vision whose father was colour blind marries a man of normal vision whose father was also colour blind. The sons of this marriage would be 50% colour blind.

Explanation: