Sickle-cell anemia has been traced to what type of mutation?
A)frameshift
B)transposable element
C)mutagenic
D)base-pair substitution
E)viral

Question

Quizplus · Accepted Answer

Sickle-cell anemia is caused by a single base-pair substitution in the gene encoding the beta-globin subunit of hemoglobin. This mutation results in the production of abnormal hemoglobin molecules that can cause the red blood cells to become misshapen and rigid, leading to a variety of health problems.

Sickle-Cell Anemia Has Been Traced to What Type of Mutation