Biology for IGCSE & O level - Inheritance (Section 10 - No. 26)
If a man with hemophilia (an X-linked recessive disorder) has children with a woman who is a carrier, what is the probability that their daughter will have hemophilia?
0%
25%
50%
100%
Explanation
The daughter has 25% chance to have the disease because only one out of the four boxes in the punnett square results in the daughter having the disease.
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