Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If the bacterium does not have any insert, then the presence of chromogenic substrate, it gives:
Text Solution
Verified by ExpertsThe correct answer is:
C
If there is no insert, the lacZ gene remains functional, producing β-galactosidase, which acts on the chromogenic substrate (like X-gal) and forms blue colonies.
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