NEET 2009 Biology question

Point mutation involves:

(1)Change in single base pairCorrect
(2)Duplication
(3)Deletion
(4)Insertion

Answer: (1)

Solution

A point mutation is a mutation arising from a change in a single base pair of DNA (e.g. the substitution of T by A in the -globin gene that causes sickle-cell anaemia).

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Question ID VK-090282