Question

Both male and female have normal vision though their fathers were colour blind, and mother did not have any gene for colour blindness. The probability of their daughter becoming colour blind is

• A. $0$%
• B. $15$%
• C. $25$%
• D. $50$%

Answer 1

The correct option is A $0$%

Female is carrier and male is normal and hence no daughters will be colour blind

So, the correct answer is '0%'