Home Biology Biotechnology Principles and Processes NCERT The construction of recombinant DNA for the …
Biology Biotechnology Principles and Processes NCERT Single Correct MCQ
Published on: August 13, 2026

The construction of recombinant DNA for the very first time in 1972 was done by using native plasmid of

A
E. Coli
B
Salmonella typhimurium
C
Bacillus thuringiensis
D
Yeast

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The correct answer is:
B

In 1972, Paul Berg constructed the first recombinant DNA molecule by combining DNA from different sources using the native plasmid of Salmonella typhimurium.

This experiment marked the beginning of recombinant DNA technology.

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