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The deoxyribonucleic acid that carries the desired genes to the host jail cellular telephone is called gene cloning vector . It is also known every bit cloning vector, vector, cloning vehicle or carrier DNA. Plasmids, viral DNAs as well as cosmids are used every bit cistron cloning vectors.  Cosmid is a derived vector . Cosmid was rootage constructed yesteryear Collins as well as Hohn inwards 1978. Cosmid is an artificial plasmid containing 'cos'  sites of lambda (λ) DNA. It is formed yesteryear joining ends of a linearlized plasmid deoxyribonucleic acid amongst ‘cos’ sites of a lambda  (λ) DNA.  It has an origin of replication, selectable markers as well as cistron cloning sites of the plasmid DNA. They lack structural as well as regulatory genes of λ DNA. Hence, at that spot is no lysis as well as integration  of cosmid deoxyribonucleic acid inwards the host cell. Example: Col EI cosmid, pHC 79, pJB8, pWE cosmid etc. Lambda Phage DNA tin compo...

Cloning vectors are the deoxyribonucleic acid molecules that tin bear a unusual deoxyribonucleic acid segment into the the host cell.The vectors used inward recombinant deoxyribonucleic acid technology tin hold upward plasmids, cosmids, bacteriophages etc. Plasmids : Self replicating, circular,  extra chromosomal deoxyribonucleic acid nowadays inward bacteria. Plasmids convey entirely 1 or ii copies per cell. Bacteriophages : Virus infecting bacteria. Bacteriophages convey high disclose per cell, then their re-create number  is too high inward genome. Cosmids : Hybrid vectors derived from plasmids which incorporate cos site of lambda phage. Feature required to facilitate cloning into vector: Origin of replication, Selectable marker, unique restriction sites. The role of cloning vector is oft to brand numerous copies of the inserted gene. >   Shuttle vector vs Expression Vector Expression Vectors: The cloning vector containing suitable seem signals to co...