Biology

Question

). Sickle cell disease is caused by a

a. change in one DNA base.

b. change in the size of a chromosome.

c. change in two genes.

d. change in the number of chromosomes in a ce

Answer

c. change in two genes.

Download to view full explanation

Sickle cell disease is caused by a change in two genes, the hemoglobin beta gene (HBB) and the beta-globin gene (...