genetic marker


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genetic marker

n.
A gene, DNA sequence, or gene product whose inheritance can be traced through a pedigree or phylogeny. Genetic markers are used in paternity testing, studies of evolution, and evaluating genetic contributions to phenotypes including disease. Genetic markers associated with certain diseases can often be detected in the blood serum, where their presence is used to determine whether a person is at high risk for developing a disease.

genetic marker

n
(Genetics) a gene with two or more alternative forms, producing readily identifiable variations in a particular character, used in studies of linkage, genetic mapping, and identification of the presence of other genes that are closely linked to, and therefore usually inherited with, it

genet′ic mark′er


n.
any gene or allele that is associated with a specific chromosome and can be used to identify the chromosome or to locate other genes or alleles. Also called marker , marker gene.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.genetic marker - a specific gene that produces a recognizable trait and can be used in family or population studies
cistron, gene, factor - (genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity; "genes were formerly called factors"
Translations
marqueur génétique
References in periodicals archive ?
The nanoparticles are coated with DNA sequences that match the genetic marker of interest.
"There's a legacy problem in that so many DNA profiles have been collected with this older genetic marker system that's been used by law enforcement since the 1990s.
ISLAMABAD -- Gear up for some physical exercise sessions as the risk of breast cancer may go up by 210 percent in obese and overweight women with a certain genetic marker, said a study, LiveScience reported.
Genetic marker is any trait representing genetic differences between individual organisms or species.
Even the 9p21 genetic marker, when combined with traditional cardiac risk factors, provided only 0%-5% improvement in risk assessment for CHD.
A NEW genetic marker could lead to the first blood test that can predict which tuberculosis (TB) carriers will develop the fullblown disease and become infectious.
This study shows that a genetic marker could help doctors assess whether a melanoma tumour will be resistant to chemotherapy and ensure that a patient receives a treatment that will be the most effective for them.
vivax isolates collected from Chennai using a highly polymorphic genetic marker Pvmsp-3[alpha].
"Personally, I find it very, very difficult to believe that it could be based on one genetic marker.
But the choice of an appropriate genetic marker and the statistical methodology is essential to get the best results.
That sample is then put on a slide and soaked in a special warm, soapy mixture that contains a genetic marker that binds with Salmonella and gives off a fluorescent glow when viewed under an ultraviolet light.
I'm interested in knowing if a genetic marker has been identified and if a test is available.