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Question: Answered & Verified by Expert
If the gene of interest is introduced in a tetracycline-resistant gene region of pBR322, then:
BiologyBiotechnology - Principles and ProcessesNEET
Options:
  • A The host will become resistant for tetracycline
  • B The host will start producing tetracycline
  • C The host will start producing ampicillin.
  • D The host will loose resistance for antibiotic tetracycline.
Solution:
1447 Upvotes Verified Answer
The correct answer is: The host will loose resistance for antibiotic tetracycline.
The recombinant plasmid will loose tetracycline nature due to insertion of foreign DNA and this is known as insertional inactivation but can still be selected out from non recombinants by plating the transformants on tetracycline medium.

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