The most striking example of point mutation i | vedclass

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(D) Sickle-cell anaemia is a classic example of a point mutation. It is an autosomal recessive genetic disorder caused by a single nucleotide substitu

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Sickle-cell anaemia

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(D) Sickle-cell anaemia is a classic example of a point mutation. It is an autosomal recessive genetic disorder caused by a single nucleotide substitution ($GAG$ to $GUG$) in the $\beta$-globin gene of haemoglobin. This mutation results in the replacement of glutamic acid with valine at the sixth position of the $\beta$-globin chain,leading to the formation of abnormal haemoglobin $(HbS)$.

The most striking example of point mutation is found in a disease called

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