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NEET Biology question

BiologyBiotechnology: Principles and ProcessesNEET

Read the given statements and select the correct option. Statement 1: In insertional inactivation, the blue colour produced by bacterial colonies indicates that the plasmid does not have an insert in the bacterial genome. Statement 2: The presence of an insert results in insertional inactivation of the beta-galactosidase enzyme and the colonies do not produce any colour.

Answer: (A)

Solution

Blue colonies genuinely indicate an intact, uninterrupted beta-galactosidase gene (no insert), and an insert

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Question ID VK-125250