Principle Of Inheritance And Variation Question 473
Question: All sons of a couple are colourblind because [CPMT 1980]
Options:
A) Mother is homozygous colourblind
B) Mother is heterozygous and father normal
C) Mother is heterozygous and father colourblind
D) Mother is normal and father colourblind
Show Answer
Answer:
Correct Answer: A
Solution:
Whenever mother is homozygous colour blind, all her sons will be colourblind irrespective of their father’s nature.
BETA
