Published by:
CGP EDU Academic Team
Published on: August 13, 2026
After completing the transformation experiment involving the coding sequence of enzyme a-galactosidase, the recombinant colonies should
Text Solution
Verified by ExpertsThe correct answer is:
B
In insertional inactivation, the foreign DNA is inserted into the α-galactosidase (lacZ) coding sequence, disrupting enzyme production.
• Recombinant colonies → enzyme inactive → white colonies (no blue colour).
• Non-recombinant colonies → enzyme active → blue colonies.
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