Principle Of Inheritance And Variation Question 75
Question: A husband and wife have normal vision but fathers of both of them were colour blind. Probability of their first daughter to be colour blind is [CBSE PMT 1990]
Options:
A) 25%
B) 50%
C) 75%
D) 0%
Show Answer
Answer:
Correct Answer: D
Solution:
Probability of their first (or any) daughter being colourblind is nil as the daughter of normal father can never be colourblind.