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Biology · PYQ NEET UG 2022

हिन्दी

Which of the following is not a desirable feature of a cloning vector?

  1. Presence of single restriction enzyme site
  2. Presence of two or more recognition sites
  3. Presence of origin of replication
  4. Presence of a marker gene

Correct answer · Option 2

Presence of two or more recognition sites

Explanation

Presence of two or more recognition sites for the same restriction enzyme within a cloning vector is undesirable because it would generate multiple fragments, complicating gene cloning.

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