<prompt> In DNA transfer the vectors used from smallest to largest is:Cosmids, Plasmids, BacteriophagePlasmids, Bacteriophage, CosmidsBacteriophage, Cosmides, PlasmidsCosmids, Bacteriophage, Plasmids  <response>: B i.e. Plasmid, bacteriophage, cosmid Plasmid is smallest most commonly used vectors 1Kb 1000 nucleotide long base Vector Vehicle- DNA DNA inse size i.e. can accept DNA fragment of Plasmid PBR 322 0.01 - 10 kb smallest2 Bacteriophage Lambda charon 4A 10 -20 kb Cosmids 35 - 50 kb largest2 