Question

A man whose father was colourblind marries a woman who had a colourblind mother and normal father.

What percentage of male children of this couple will be colour blind?

• A. 0%
• B. 50%
• C. 70%
• D. 25%

Answer 1

The correct option is B 50%

So, 50% of male children of this couple will be colourblind.