Biology Biotechnology Principles and Processes Cloning Vectors and Competent Host Single Correct MCQ
Published on: August 13, 2026

The function of ori in a vector is

A
help in replication of linked DNA and
B
control copy number of the linked DNA
C
help in selecting recombinants
D
Both

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Verified by Experts
The correct answer is:
D

ori (Origin of Replication) is the site where DNA replication begins.

It helps in replication of the linked DNA.

It also controls the copy number of the linked DNA in the host cell.

It does not help in selecting recombinants.

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