A carrier mother (X^C X^c) and normal father (X^C Y) have children. What is the probability that a son is color blind?
- A
3/4
- B
1/4
- Ccheck_circle
1/2
- D
1/8
Explanation
Sons get Y from father and either X^C or X^c from mother — 1/2 chance of X^c (color blind).