A person who is heterozygous for sickle cell anemia has increased resistance for?
C. Dengue haemorrhagic fever
Correct answer : A. Malaria
Sickle cell trait (heterozygous case of sickle cell anemia) provides protection against malaria. Sickling of RBC’s result in the leaking of potassium from the cell. This leads to the death of the malarial parasites within the RBC’s.