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

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.

Correct Answer:

Verified

Show Answer