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Which of the following is true about the the origin of replication: a. responsible for the replication of any piece of DNA attached to it b. controls the copy number of the inserted gene c.it is the sequence of DNA from where transcription begins


( a ) a, and b
( b ) all of the above
( c ) a and c
( d ) b and c
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1 Answer

Origin of replication is a sequence from where replication starts and any piece of DNA when linked to their 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 supports high copy number.
Ans: All the above
answered Nov 1, 2016 by suganyadevi.p
edited Nov 2, 2016 by suganyadevi.p
 

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