The nurse notes that through genetic testing, a female carrier of an X-linked condition has one normal copy of the gene on the X chromosome and one mutated copy of the gene on the other X chromosome. What should this indicate to the nurse?

Question

Quizplus · Accepted Answer

When a female carrier has one normal and one mutated copy of an X-linked gene, she has a 50% chance of passing on the mutated gene to her sons, who will then be affected by the condition. Daughters have a 50% chance of inheriting the normal copy of the gene from the carrier mother, meaning they will not be affected, but will have a 50% chance of becoming a carrier themselves.

The Nurse Notes That Through Genetic Testing, a Female Carrier