Biology Biotechnology Principles and Processes All Topic Question For Revision Test Single Correct MCQ
Published on: August 13, 2026

Which of following feature is not necessary for cloning vector–

A
Origin of replication
B
High copy number
C
Selectable marker
D
Cloning sites

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Text Solution

Verified by Experts
The correct answer is:
B

Essential features of a cloning vector are:

Origin of replication (ori)

Selectable marker

Cloning (restriction) sites

A high copy number is desirable but not necessary.

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