NEET Zoology Recombinant DNA MCQ Question
If a vector with a high copy number origin of replication is used for cloning, how many copies of recombinant DNA can be expected in a bacterial cell if the copy number is 500?
500 copies
250 copies
1000 copies
50 copies
Correct Answer
Detailed Explanation
The origin of replication (ori) controls the copy number of the vector in a host cell. A high copy number origin of replication can result in approximately 500 copies of recombinant DNA within a bacterial cell when the stated copy number is 500.
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