Human Health and DiseaseHard

Question

Which one of the following conditions though harmful in itself, is also a potential savior from a mosquito borne infectious disease ?

Options

A.Pernicious anaemia
B.Leukemia
C.Thalassaemia
D.Sickle cell anaemia

Solution

Sickle cell anemia is a genetic disorder in which abnormal hemoglobin is formed because valine replaces glutamic acid at the sixth position on beta-chain, but the persons having this disease do not suffer from malaria as the parasite fails to thrive in such RBCs.

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