When a colour blind woman marries a normal man ... - JAMB Biology 2022 Question
When a colour blind woman marries a normal man, what is the probability of their son being colour blind?
A
25%
B
100%
C
50%
D
0%
correct option: b
The correct answer is Option B
If both X chromosomes of a woman have the nonworking gene, she will be colorblind.
As sons inherit their only X chromosome from their mother, the chances are high that they will also be colorblind.
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