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Pronunciation: mark'er


  1. A device used to make a mark or to indicate measurement.
  2. A characteristic or factor by which a cell or molecule can be recognized or identified.
  3. A locus containing two or more alleles that, being harmless, are common and therefore yield high frequencies of heterozygotes, that facilitate linkage analysis.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.