Which of the following types of anemia is caused by a single error in the amino acid sequence of hemoglobin?
A)Microcytic
B)Macrocytic
C)Pernicious
D)Sickle cell

Question

Quizplus · Accepted Answer

Sickle cell anemia is caused by a single amino acid substitution (valine instead of glutamic acid) in the hemoglobin protein. This leads to the characteristic sickling of red blood cells, causing them to become misshapen and leading to anemia. The other types of anemia listed are not related to a specific amino acid substitution in hemoglobin.

Which of the Following Types of Anemia Is Caused by a Single