Sickle-cell anemia is caused by
A) white blood cells that take on the shape of a sickle and clump together.
B) red blood cells that expand the blood vessels and increase the oxygen supply.
C) a recessive gene.
D) a slow destruction of the liver leading to jaundice and swollen joints.

Question

Quizplus · Accepted Answer

Sickle-cell anemia is caused by a recessive gene that leads to the production of abnormal hemoglobin. This results in red blood cells taking on a sickle shape, which can cause blockages in blood vessels and lead to various complications.

Sickle-Cell Anemia Is Caused by