Principle Of Inheritance And Variation Question 483

Question: A colourblind man has a colourblind sister but a normal brother than phenotype of its parents is [CPMT 1993]

Options:

A) Father colourblind and mother normal

B) Father normal and mother colourblind

C) Father and mother both are colourblind

D) Father and mother both are normal

Show Answer

Answer:

Correct Answer: A

Solution:

Father colour blind and mother normal.