NEET Exam Model Paper 4

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Question : 68 of 180

Marks: +1, -0

If a foreign gene is incorporated in lac'Z' sequence of the plasmid, the resultant recombinant bacteria in which plasmids are inserted will :

be able to produce β galactosidase enzyme
produce white colonies on x-gal containing selection medium
produce blue colonies on x-gal containing selection medium
both 1 and 2

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