Multiple choice

In recombinant DNA technology, insertional inactivation leads to _____.

  1. inactivation of the host

  2. inactivation of the enzyme

  3. inactivation of the recombinant DNA

  4. inactivation of the host’s snRNA
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Insertional inactivation is a technique of recombinant DNA technology used to select bacteria that carry recombinant plasmids, a fragment of foreign DNA is inserted into a restriction site within a gene for antibiotic resistance, thus causing that gene to become non functional, and hence there is an inactivation of the enzyme.

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