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sequence ladder in Medicine

sequence ladder

n.
  1. The array of bands that have been electrophoretically separated and that correspond to the nucleotide sequence of a DNA molecule that has been fragmented by endonucleases.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.