When providing education for the parents of a child with Duchenne muscular dystrophy, the nurse plans to include
a. Testing all female children for the disease
b. Testing the father for the presence of the trait on the Y chromosome
c. Genetic counseling for all female children
d. Testing the parents to determine the carrier
C
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A Because it is a recessive X-linked disorder, females can only be carriers and do
not have the disease.
B The disease is an X-linked recessive disorder and would not be found on the Y
chromosome.
C Duchenne muscular dystrophy is a recessive sex-linked disease carried on the X
chromosome, so only males are affected with the disease.
D The disease is a recessive X-linked disease and is always carried by the mother.
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