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What is the importance of having a high copy number in a vector?

Options

  1. ATo recover many copies of the target DNA
  2. BTo identify and eliminate nontransformants
  3. CTo start replication
  4. DTo permit the growth of transformants

Correct answer

A. To recover many copies of the target DNA

Step-by-step solution

This is a sequence from where replication starts and any piece of DNA when linked to this sequence can be made to replicate within the host cells. This sequence is also responsible for controlling the copy number of the linked DNA. So, if one wants to recover many copies of the target DNA it should be cloned in a vector whose origin support high copy number.

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