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 relatives.
d. testing the parents to determine the carrier.
C
Duchenne muscular dystrophy is a recessive sex-linked disease carried on the X chromosome so only males are affected with the disease. Because Duchenne muscular dystrophy is a recessive X-linked disorder, females can only be carriers and do not have the disease. The disease is an X-linked recessive disorder and would not be found on the Y chromosome. The disease is a recessive X-linked disease and is always carried by the mother.
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Fill in the blank(s) with the appropriate word(s).