A person with sickle cell anaemia is

Options

A. More prone to malaria
B. More prone to typhoid
C. Less prone to malaria
D. Less prone to typhoid

Answer

C

Explanation

People develop sickle cell disease a condition in which the red blood cells are abnormally shaped if they inherit two faulty copies of the gene for the oxygen carrying protein haemoglobin. The faulty gene persists because even carrying one copy of it confers some resistance to malaria.