The nurse is assessing the knowledge of new parents with a child born with maple syrup urine disease ( MSUD ).The nurse knows that this is an autosomal recessive inherited disorder,which means which of the following?
A) Both genes of a pair must be abnormal for the disorder to be present.
B) Only one copy of the abnormal gene is required for the disorder to be present.
C) The disorder occurs in males and heterozygous females.
D) The disorder is carried on the X chromosome.

Question

Quizplus · Accepted Answer

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 disorder.MSUD is not a recessive disorder.MSUD is not an autosomal dominant inheritance disorder.

The Nurse Is Assessing the Knowledge of New Parents with a Child