Question

Which Vector Can Clone A Small Fragment Of DNA?

Answer 1

Plasmids.

1. Plasmids are extra chromosomal, autonomously replicating circular, double-stranded DNA molecules.
2. They naturally occur in some yeasts and several bacteria.
3. These plasmids are altered to be used as vectors as they can clone DNA fragments of close to size 10kbp.
4. Plasmid pBR322 is one of the earliest and common cloning vectors.