Medical Dictionary

bacterial artificial chromosome


Medical Definition of bacterial artificial chromosome

  1. :  a genetically engineered bacterial chromosome that is used as a vector to clone DNA segments, that is introduced for cloning into a bacterium (E. coli) where it is maintained as a plasmid, and into which a segment of foreign DNA up to about 300 kilobases in length may be spliced for cloning—abbreviation BAC

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a trip made at another's expense

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