Double Crossover

Double crossover may refer to:

  • A type of railroad switch
  • An artificial nucleic acid structural motif used in DNA nanotechnology

Famous quotes containing the word double:

    “You spotted snakes with double tongue,
    Thorny hedgehogs, be not seen.
    Newts and blindworms, do no wrong,
    Come not near our Fairy Queen.”
    —William Shakespeare (1564–1616)