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Question: Answered & Verified by Expert
The vector used in the first successful recombinant DNA was from:
BiologyBiotechnology - Principles and ProcessesNEET
Options:
  • A a bacteria that causes pneumonia.
  • B a bacteria against which the first antibiotic was discovered.
  • C a bacteria that can be detected by WIDAL test.
  • D None of these
Solution:
2810 Upvotes Verified Answer
The correct answer is: a bacteria that can be detected by WIDAL test.
The construction of the first recombinant DNA emerged from the possibility of linking a gene encoding antibiotic resistance with a native plasmid (autonomously replicating circular extra-chromosomal DNA) of Salmonella typhimurium. Stanley Cohen and Herbert Boyer accomplished this in 1972 by isolating the antibiotic resistance gene by cutting out a piece of DNA from a plasmid which was responsible for conferring antibiotic resistance.

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