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Additional
Vector (molecular biology)
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Vector (molecular biology)
In
molecular cloning
, a
vector
is a DNA molecule used as a vehicle to artificially carry foreign genetic material into another cell, where it can be
replicated
and/or
expressed
. A vector containing foreign DNA is termed
recombinant DNA
. The four major types of vectors are
plasmids
,
viral vectors
,
cosmids
, and
artificial chromosome
s. Of these, the most commonly used vectors are plasmids. Common to all engineered vectors are an
origin of replication
, a
multicloning site
, and a
selectable marker
.
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