NEET Zoology Recombinant DNA MCQ Question
What is the purpose of a selectable marker in a cloning vector?
It helps identify and eliminate non-transformants.
It increases the speed of DNA replication.
It enhances the stability of the DNA structure.
It promotes the growth of all bacteria equally.
Correct Answer
Detailed Explanation
A selectable marker helps in identifying and eliminating non-transformants while selectively permitting the growth of transformants, as stated in the NCERT context.
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