NEET Biology question

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

(A)Thalassemia
(B)Night blindness
(C)Down's syndrome
(D)Sickle-cell anaemiaCorrect

Answer: (D)

Solution

Sickle-cell anaemia is the most widely cited classical example of a point mutation, arising from a single base substitution in the β-globin gene that changes the sixth codon from glutamic acid to valine. Thalassemia (a) more typically arises from larger deletions or

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Question ID VK-119773