A person with sickle-cell anaemia is
1. more prone to malaria
2. more prone to typhoid
3. less prone to malaria
4. less prone to typhoid
sickle-cell anaemia are resistant to malarial parasite ar RBC of sickle-cell anaemic
patients is distored in shape that not affected by Plasmodium sp.
it is known that heterozygotes Hbs/HBA, 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 (HbA/HbA) suffer high
mortality rates in early childhood due to malarial infection.
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