Question

In recombinant DNA technology, the term vector refers to

• 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 1

The correct option is C A plasmid used to transfer DNA into a living cell

The DNA used as a carrier for transferring a fragment of foreign 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.

So, the correct answer is 'A plasmid used to transfer DNA into a living cell'.