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Question
Sickle cell anaemia is ______.
Options
caused by substitution of valine by glutamic acid in the beta globin chain of haemoglobin
caused by a change in a single base pair of DNA
characterized by elongated sickle like RBCs with a nucleus
an autosomal linked dominant trait
MCQ
Fill in the Blanks
Solution
Sickle cell anaemia is caused by a change in a single base pair of DNA.
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