genetic marker

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Related to DNA marker: DNA ladder, Genetic markers

genetic marker

[jə¦ned·ik ′märk·ər]
(genetics)
A gene whose phenotypic expression is easily discerned and thereby can be used to identify an individual or a cell that carries it, or as a probe to mark a nucleus, chromosome, or locus.
References in periodicals archive ?
The DNA markers in this map are highly informative and are densely distributed, with an average interval between markers of 1.
Today, Hammer and his colleagues are able to use a much larger battery of DNA markers and consequently able to develop a more fully resolved Cohen Modal Haplotype called the extended Cohen Modal Haplotype.
Microsatellite DNA markers are short tandem repeats of nucleotide motifs, 2 to 6 base pairs (bp) in length, which are distributed throughout the genome in prokaryotes and eukaryotes (Chambers & MacAvoy, 2000).
Sappington's team is also using DNA markers to genetically locate the gene or genes responsible for "rotation resistance," an egg-laying behavior that enables some rootworm populations to survive rotations of corn with soybean, a nonhost crop on which the pest's caterpillars cannot feed.
The relationship between phenotype and presence/absence of a male-specific DNA marker in chinook salmon populations of wild or hatchery origin from the Columbia River watershed.
APDN has patented, proprietary DNA embedment protocols that ensure that the SigNature[TM] DNA marker cannot be removed, copied or replicated by physical means.
DNA-reporter adducts offer a high-speed first defense that enable a rapid screening to identify the presence of a SigNature[TM] DNA marker.
The SigNature[TM] DNA Marker can be combined with any number of additional security features enabling easy front end inspection, while providing forensic authentication whenever it is required.
MSAGL staff also teamed with geneticist Jodi Scheffler, in ARS's Crop Genetics and Production Research Unit at Stoneville, Clemson University in South Carolina, and grower-funded Cotton Incorporated to develop a DNA marker database for cotton.
Researchers have created DNA marker databases and genome maps for several major crop plants but not for cotton.