Q. The linking of antibiotic resistance gene with the plasmid vector became possible with
A) Exonucleases
B) DNA ligase
C) Endonucleases
D) DNA polymerase
Explanation
[Solution from source] Cohen and Boyer joined the antibiotic resistance gene to the plasmid using DNA ligase, which seals the sugar-phosphate backbone between the cut ends. Restriction endonucleases only cut DNA; they do not join fragments. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.