what is point mutation.
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Palindromic sequence.
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Point mutation is a change in a single base pair of DNA by substitution, deletion, or insertion of a single nitrogenous base.
An example of point mutation is sickle cell anaemia.
It involves mutation in a single base pair in the beta-globin chain of haemoglobin pigment of the blood.
Glutamic acid in short arm of chromosome II gets replaced with valine at the sixth position.
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