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(D) Point mutation is a change in a single base pair of $DNA$. Sickle cell anemia is a classic example of a point mutation where a single base pair su

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Sickle cell anemia

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(D) Point mutation is a change in a single base pair of $DNA$. Sickle cell anemia is a classic example of a point mutation where a single base pair substitution occurs in the $\beta$-globin gene. Specifically,the codon $GAG$ is replaced by $GUG$,which leads to the substitution of glutamic acid with valine at the sixth position of the $\beta$-globin chain of hemoglobin. This change alters the structure of the hemoglobin molecule,causing red blood cells to become sickle-shaped under low oxygen conditions.

What is the name of the disease that serves as a classic example of point mutation?

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