Hemoglobin S,the variant responsible for the misshapen red blood cells characteristic of the disease sickle-cell anemia,is potentially advantageous to heterozygotes because it confers some level of resistance to the disease _________.
A)rickets
B)AIDS
C)cyanosis
D)polycythemia
E)malaria

Question

Quizplus · Accepted Answer

Hemoglobin S provides some resistance to malaria because the misshapen red blood cells caused by the variant make it more difficult for the malaria parasite to survive and replicate within red blood cells.

Hemoglobin S,the Variant Responsible for the Misshapen Red Blood Cells