In sickle cell anaemia-A. The mutant haemoglobin molecule undergoes polymerisation under low oxygen tension causing the change in the shape of RBCB. Substitution of Glutamic acid by valine at the sixth position of the `alpha-`chain of haemoglobinC. The mutant hamoglobin undergoes polymerization under high oxygen tension causing the chage in shape of RBCD. `alpha-`globin chain is modified

In sickle cell anaemia-A. The mutant haemoglobin molecule undergoes po

1.	In sickle cell anaemia-A. The mutant haemoglobin molecule undergoes polymerisation under low oxygen tension causing the change in the shape of RBCB. Substitution of Glutamic acid by valine at the sixth position of the `alpha-`chain of haemoglobinC. The mutant hamoglobin undergoes polymerization under high oxygen tension causing the chage in shape of RBCD. `alpha-`globin chain is modified
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