MarksRiser
MarksRiser
Zoology-Recombinant DNA

NEET Zoology Recombinant DNA MCQ Question

Type: MCQ-numerical-Medium-Class 12

If a recombinant DNA containing an origin of replication with a high copy number is introduced into Escherichia coli, what is the expected number of copies per bacterial cell if the ori supports 50 copies in ideal conditions?

A

50 copies

B

25 copies

C

100 copies

D

10 copies

Correct Answer

Option A

Detailed Explanation

The origin of replication is responsible for controlling the copy number of the linked DNA. If it supports 50 copies in ideal conditions, the expected number of copies per bacterial cell would be 50.

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