Sickle cell anemia is caused by a defect in the
A)oxygen carrying pigment hemoglobin.
B)protein makeup in the liver.
C)sticky sides of the red blood cells.
D)allele for the production of mucus in the lungs.

Question

Quizplus · Accepted Answer

Sickle cell anemia is caused by a specific genetic mutation in the hemoglobin gene, which results in the production of abnormal hemoglobin molecules that can form rigid, crescent-shaped red blood cells. These cells can get stuck in small blood vessels, causing pain, organ damage, and other complications. The defect has nothing to do with protein makeup in the liver, sticky sides of red blood cells or production of mucus in the lungs.

Sickle Cell Anemia Is Caused by a Defect in the