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  4. Which part of the plasmid pBR322 is linked to the part that controls copy number of foreign DNA?

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Q. Which part of the plasmid pBR322 is linked to the part that controls copy number of foreign DNA?

NTA AbhyasNTA Abhyas 2020

Solution:

The nucleotide sequence of 'Ori' is also responsible for controlling the copy number of the plasmid and linked DNA. So, in order to obtain multiple copies of desired DNA, it should be cloned in a vector whose origin supports high copy number.