What is the function of the plasmid in the cloning technique shown in the transparency?

A plasmid is a hover of DNA that microscopic organisms can retain into the cell. A plasmid is a hereditary structure in a phone that can recreate freely of the chromosomes, commonly a little round DNA strand in the cytoplasm of a bacterium or protozoan. Plasmids are tremendously utilized as a part of the research center control of qualities.