marker 

https://doi.org/10.1351/goldbook.M03705
  1. (DNA) A fragment of known size used as reference for analytical purposes.
  2. (genetic) A gene with known phenotype and mapped position.
  3. (chromatography) A reference substance co-chromatographed with the sample to assist in identifying the components.
Sources:
Orange Book, 2nd ed., p. 97 [Terms] [Book]
PAC, 1992, 64, 143. (Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992)) on page 159 [Terms] [Paper]
PAC, 1993, 65, 819. (Nomenclature for chromatography (IUPAC Recommendations 1993)) on page 837 [Terms] [Paper]
Citation: 'marker' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.M03705 RIS BibTex EndNote
Div. VDiv. VIPDFTextXMLJSON
Last revised: February 24, 2014