Q. The construction of the first recombinant DNA was done by using the native plasmid of
A) E. coli
B) Salmonella typhirmurium
C) Bacillus thuringiensis
D) Yeast
Explanation
Recombinant DNA molecule is a vector (e.g., plasmid, phage or virus) into which the desired DNA fragment has been inserted to enable its cloning in an appropriate host. pBr 322 of E. coli was the first most widely used plasmid for construction of recombinant DNA.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.