Definition: Genetic markers are landmarks on genetic maps The term marker is used very broadly to describe any observable variation that results from an alteration, or mutation, at a single genetic locus. Markers can be within genes that code for a noticeable physical characteristic such as eye color, or a not so noticeable trait such as a disease.
This definition is from the National Center for Biotechnology Information.
Help Future Generations of Dogs
Participate in canine health research by providing samples or by enrolling in a clinical trial. Samples are needed from healthy dogs and dogs affected by specific diseases.