The most important feature in a plasmid to be used as a vector is

Options

A. Origin of replication (ori)
B. Presence of a selectable marker
C. Presence of sites for restriction endonuclease
D. Its size

Answer

A

Explanation

The most important characteristic found in plasmid that make them suitable for cloning is origin of replication that is a specific position an a DNA molecule from where DNA replication begins. If the foreign DNA is linked to a vector that possesses the ori site it can be made to replicate in the host cell