The nurse is assisting with genetic counseling for a couple with a history of hemophilia A in their families. Which of the following statements by the nurse is true regarding X-linked diseases like hemophilia A?

X-linked recessive diseases disproportionately affect males. X-linked diseases are genetic conditions in which a mutation exists on the X chromosome. Because females have two copies of the X chromosome, mutations that exist on one copy of the X chromosome can be compensated for by the other X chromosome. For this reason, X-linked recessive diseases disproportionately affect males who only have one X chromosome. X-linked dominant disorders are rare and occur less frequently than X-linked recessive conditions.

The nurse is assisting with genetic counseling for a couple with ...

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Physiological Adaptation
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Category: Physiological Adaptation
Difficulty: 3

Topics: Disease Prevention Genetics Health Screening

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