Principle Of Inheritance And Variation Question 505
Question: What are all the chances of colour blind daughter and sons being born in a marriage of normal man marrying a normal woman, whose father was colour blind [Kerala CET 2003]
Options:
A) All sons are normal and all daughters are colourblind
B) Both the sons and daughters are colourblind
C) All the sons are colourblind and all daughters are normal
D) 50% sons are colourblind and all daughters are phenotypically normal
Show Answer
Answer:
Correct Answer: D
Solution:
A woman whose father was colourblind is actually normal phenotypically but carrier of colourblindness if this woman marrying with normal man.
Then