Which of the following is a cloning vector?

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Question

(D) cloning vector is a small piece of $DNA$,taken from a virus,a plasmid,or the cell of a higher organism,that can be stably maintained in an organis

Vedclass · Accepted Answer

All of the above

Vedclass · Answer

(D) cloning vector is a small piece of $DNA$,taken from a virus,a plasmid,or the cell of a higher organism,that can be stably maintained in an organism and into which a foreign $DNA$ fragment can be inserted for cloning purposes.Plasmids are extrachromosomal,self-replicating circular $DNA$ molecules commonly used as vectors.Bacteriophages are viruses that infect bacteria and are used as vectors for cloning larger $DNA$ fragments.Cosmids are hybrid vectors containing features of both plasmids and the $cos$ site of bacteriophage $\lambda$.Since all three are widely used as cloning vectors in recombinant $DNA$ technology,the correct answer is $D$.

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