In recombinant DNA technique, the term vector refers to

Options

A. the enzyme that cuts DNA into restriction fragments
B. the sticky end of a DNA fragment
C. a plasmid used to transfer DNA into a living cell
D. a DNA fragment which carries only ori gene

Answer

C

Explanation

The DNA used as a carrier for transferring a fragment of forign DNA into a suitable host is called vehicle DNA or cloning vector or gene carrier. When desired gene is introduced into a vector, recombinant DNA is formed. Vectors may be plasmids, bacteriophages, cosmids, phagemids, Yeast Artificial Chromosomes (YACs), Bacterial Artificial Chromosomes (BACs), transposons, viruses. etc.