Cloning Vector

Which among the following vector can clone only a small fragment of DNA ?

What is Ori? State its importance during cloning of vector.

Which of the following features are required to facilitate cloning into a vector ? a. Origin of replication (ori) b. Selectable marker c. Cloning site

In genetic engineering antibiotic resistance is often cloned into a vector to :

Describe the various vectors for cloning genes in plants and animals.