Home Biology Biotechnology Principles and Processes Statement Based Questions Statement I: If one wants to recover many co…
Biology Biotechnology Principles and Processes Statement Based Questions Single Correct MCQ
Published on: August 13, 2026

Statement I: If one wants to recover many copies of the target DNA it should be cloned in a vector whose selectable marker support high copy number.

Statement II: Selectable marker helps in identifying and eliminating transformants and selectively permitting the growth of the non-transformants.

A
Both statements are correct.
B
Statement I is correct & II is incorrect.
C
Statement I is incorrect & II is correct.
D
Both statements are incorrect.

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Text Solution

Verified by Experts
The correct answer is:
D

Statement I: Incorrect

To obtain many copies of target DNA, it should be cloned in a vector with a high copy number origin of replication (ori), not a selectable marker.

Statement II: Incorrect

A selectable marker helps identify and select transformants, while eliminating or preventing the growth of non-transformants. The statement says the opposite.

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