Choose the condition below that does not involve a defect in an enzyme pathway.
A)Alkaptonuria
B)albinism
C)sickle cell anemia
D)Phenylketonuria (PKU)

Question

Quizplus · Accepted Answer

Sickle cell anemia is a genetic disorder that causes abnormal hemoglobin, leading to misshapen red blood cells. It is not caused by a defect in an enzyme pathway. The other three conditions (A) alkaptonuria, (B) albinism, and (D) Phenylketonuria (PKU) all involve defects in enzyme pathways.

Choose the Condition Below That Does Not Involve a Defect