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Which feature is most directly linked with vector replication?

Answer and explanation

Correct answer: Origin of replication (ori)

The origin of replication (ori) is the specific DNA sequence from which replication of vector DNA begins. Therefore, it is directly associated with formation of vector copies and can influence copy number. A selectable marker helps identify transformed cells; it does not initiate replication. Exam tip: Link ori with replication, selectable markers with selection, and restriction sites with insertion of foreign DNA.

Related tags

Cloning VectorsOrigin Of ReplicationVector ReplicationSelectable MarkerBiotechnologyPrinciples Of BiotechnologyClass 11 Mcq

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