- Home
- Standard 12
- Biology
4.Principles of Inheritance and Variation
medium
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
A
Father
B
His grand father and mother
C
Mother
D
His grand father
Solution
(a) When a colourblind man marries a carrier woman then half of his sons will be colourblind and rest half normal and half of his daughters will be colourblind and rest half carriers.
Standard 12
Biology
