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Sickle celled anaemia in humans is a result of point mutation. Explain.

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Sickle celled anaemia in humans is a result of point mutation. Explain.

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Mutation arising due to change in single base pair of DNA, the defect is caused by the substitution of Glutamic acid (Glu) by Valine (Val) at the sixth position of the beta globin chain of the haemoglobin molecule.

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