Relatively high frequencies of hemoglobin S are found in:
A)Central Africa
B)Southern Europe
C)Middle East
D)all of the above

Question

Quizplus · Accepted Answer

Hemoglobin S, responsible for sickle cell anemia, has relatively high frequencies in regions where malaria is or was prevalent, including Central Africa, Southern Europe, and the Middle East. This distribution is due to the protective effect of the sickle cell trait against malaria.

Relatively High Frequencies of Hemoglobin S Are Found In