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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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andi andi
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6 years ago
The nurse is assessing the knowledge of new parents with a child born with maple syrup urine disease (MSUD). This is an autosomal recessive inherited disorder, which means that:
 
  a. Both genes of a pair must be abnormal for the disorder to be expressed.
  b. Only one copy of the abnormal gene is required for the disorder to be expressed.
  c. The disorder occurs in males and heterozygous females.
  d. The disorder is carried on the X chromosome.
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#1
6 years ago
ANS: A
MSUD is a type of autosomal recessive inheritance disorder in which both genes of a pair must be abnormal for the disorder to be expressed. MSUD is not an X-linked dominant or recessive disorder or an autosomal dominant inheritance disorder.
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