Question

which is very common cloning vector ? which can easily prepared in labs​

Answer 1

Explanation:

E. coli plasmids

The most commonly used cloning vectors are E. coli plasmids, small circular DNA molecules that include three functional regions: (1) an origin of replication, (2) a drug-resistance gene, and (3) a region where DNA can be inserted without interfering with plasmid replication or expression of the drug-resistance gene.