AIIMS 2017 Biology Question Paper for free online practice with solutions

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Question : 24 of 60

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Which of the following statement is not correct about cloning vector ?

‘Ori’ is a sequence responsible for controlling the copy number of the linked DNA.
Selectable marker selectively permitting the growth of the non-transformants.
In order to link the alien DNA, the vector needs to have single recognition site for the commonly used restriction enzymes.

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