Principle Of Inheritance And Variation Question 49

Question: A boy is colour blind, in his two sisters one is colour blind and one is carrier (normal). Then who is colour blind in his family [CPMT 1994]

Options:

A) Father

B) His grandfather and mother

C) Mother

D) His grandfather

Show Answer

Answer:

Correct Answer: A

Solution:

When a colourblind man marries a carrier woman then half of his sons will be colourblind and half will be normal and half of his daughters will be carriers and half will be normal.



Organic Chemistry PYQ

JEE Chemistry Organic Chemistry

Mindmaps Index