genetic marker

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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 international effort evaluated more than 10 million genetic markers in over 100,000 individuals, 29,880 of whom have RA.
While previous studies have suggested that genetic background influences prostate cancer outcomes, this is the first study to validate genetic markers associated with lethal disease," said Stanford.
Our findings support that the KRAS variant is a new genetic marker of ovarian cancer risk.
Prof Samani said genetic markers could usefully identify people who would benefit from preventative treatment.
The agreement grants Celera use of this Perlegen intellectual property as well as use of Perlegen's specific predictive genetic markers on chromosome 9p21 for coronary heart disease, to be included in products marketed by Celera.
All these women had strong family history of cancer, but only half in their study had known genetic markers of ovarian cancer risk, BRCA1 or BRCA2 mutations.
He and his colleagues asked whether any genetic markers could indicate the extent of aging in different tissues and among different organisms.
MLC senior geneticist Gert Nieuwhof said: "Commercial ram breeders should be aware that with new genetic markers becoming commercially available soon, there is an opportunity to use such information along with current recording systems in order to make sustained improvements to performance and other traits such as disease resistance.
Unique genetic markers were identified to distinguish various branches of the M.
The traditional approach featured geneticists performing linkage analysis studies that examined the relationships between inheritance and genetic markers in families affected by the disease.
That's because some CBD-stricken workers do not have these genetic markers of susceptibility.
DNA, extracted from blood samples taken from 600 members of those families, were studied for the presence of some 350 known genetic markers.