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

Sickle-cell anaemia is related to malaria not to typhoid and person suffering from sickle-cell anaemia are resistant to malarial parasite ar RBC of sickle-cell anaemic patients is distored in shape that not affected by by Plasmodium sp.
It is known that heterozygotes `(Hb^(s)//HB^(A))`, having both types of haemoglobin show resistance to malarial infection because the body targets the P. falciparum infected cells for destruction.
In contrast, individuals homozygous for normal haemoglobin `(Hb^(A)//Hb^(A))` suffer high mortality rates in early childhood due to malarial infection.