Plasmid vectors often contain __________ genes that can be used to screen for recombinants.

Question

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Plasmid vectors commonly contain antibiotic resistance genes, such as ampicillin or kanamycin, that can be used to select for bacteria that have successfully taken up the plasmid and incorporated the insert. This is achieved by growing the transformed bacteria on a medium containing the corresponding antibiotic, so that only those bacteria that contain the plasmid and hence the antibiotic resistance gene will survive.

Plasmid Vectors Often Contain __________ Genes That Can Be Used