The mutation resulting in sickle cell anemia changes one base pair of DNA so it is an example of a _____.
A)point mutation
B)frameshift mutation
C)silent mutation
D)missense mutation

Question

Quizplus · Accepted Answer

A point mutation is a change in a single base pair of DNA, which is exactly what occurs in sickle cell anemia. This change causes a substitution of one amino acid in the hemoglobin protein, resulting in abnormal hemoglobin molecules that cause the characteristic sickled shape of red blood cells.

The Mutation Resulting in Sickle Cell Anemia Changes One Base