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easyMCQNEET 20222026Biology
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Which of the following is not a desirable feature of a cloning vector?

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

Solution & Step-by-step Explanation

'Ori' is needed for replication.Selectable markers are needed for screening.Single sites are preferred so the vector isn't fragmented into many pieces.Incorrect/Undesirable: Having multiple recognition sites for the same enzyme will cut the vector at many places, making cloning very complicated.

Practice this question

Try it yourself before checking the explanation above.

Which of the following is not a desirable feature of a cloning vector?
A
Presence of origin of replication
B
Presence of a marker gene
C
Presence of single restriction enzyme site
D
Presence of two or more recognition sites

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