Biology for IGCSE & O level - Inheritance (Section 11 - No. 45)
If a woman is a carrier for an X-linked recessive trait and her partner has the trait, what is the probability that their daughter will have the trait?
0%
25%
50%
75%
Explication
The daughter will have a 50% chance of inheriting the affected X from her father and the affected or carrier X from her mother.