Principle Of Inheritance And Variation Question 489
Question: A son of a colourblind father and normal homozygous mother marries to a daughter of normal father and heterozygous mother than their children will be
Options:
A) All colourblind sons are male
B) All colourblind sons and daughters
C) Some colourblind and some normal daughters
D) Some normal and some colorblind sons
Show Answer
Answer:
Correct Answer: D
Solution:
The son of a colourblind man and homozygous normal mother will be normal and when he marries the daughter of a carrier mother, which is expected to be a carrier.
The progeny of such a couple will produce 50% colourblind sons and 50% normal sons.