Principles of Inheritance and Variation Question 201
201. A colour blind mother and normal father would have
[1994]
(a) colour blind sons and normal/carrier daughters
(b) colour blind sons and daughters
(c) all colour blind
(d) all normal
Show Answer
Answer : a
Hints & Solution
(a) When a colour blind woman marries a normal man, the recessive homozygous gene is expressed in sons whereas the daughters become carriers.
