NEET Biology question

Point mutation arises due to change in

(A)Single base DNA
(B)Single base pair of DNACorrect
(C)Segment of DNA
(D)Double base pair of DNA

Answer: (B)

Solution

A point mutation is precisely defined as a change confined to a single base pair within the double-stranded DNA molecule (such as a base-pair substitution), the classic example being the single base-pair change responsible for sickle-cell anaemia. A

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Question ID VK-120020