The sequence that controls the copy number of the linked DNA in the vector, is termed :

1. Selectable marker

2. Ori site

3. Palindromic sequence

4. Recognition site

Doubtly Asked 30 Oct 2026 NEET UG 2020 Practice test neet Save WhatsApp Report

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Answer: 2. Ori site

The origin of replication (ori) is the sequence from where replication starts, and it controls the copy number of the linked DNA.

A selectable marker helps identify transformants, and palindromic and recognition sequences relate to restriction enzymes.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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