APFIVE X-Linked Recessive Inheritance Probability
A carrier female for an X-linked recessive trait (X^cX^N) mates with a normal male (X^NY). What is the probability that a son will be affected by the trait?
Punnett Square for X-linked Trait (Carrier Female x Normal Male):
| X^N | Y | |
|---|---|---|
| X^c | X^cX^N (carrier daughter) | X^cY (affected son) |
| X^N | X^NX^N (normal daughter) | X^NY (normal son) |
A
0%
B
75%
C
50%
D
25%
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