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The sequence of DNA from where replication starts is called _______

(a) selectable marker

(b) origin of replication

(c) ter sequence

(d) genetic sequence

I got this question in an interview for job.

I want to ask this question from Tools of Recombinant DNA Technology: Cloning Vectors in section Biotechnology Principles and Processes of Biology – Class 12

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The correct answer is (b) origin of replication

The explanation: The sequence of DNA from where the replication starts is called the origin of replication. It is also written as ‘ori’. It is also responsible for controlling the copy number of target DNA. Bacteria usually have only one origin of replication.

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