from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A gene or DNA sequence having a known location on a chromosome and associated with a particular gene or trait. Genetic markers associated with certain diseases can be detected in the blood and used to determine whether an individual is at risk for developing a disease.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a specific gene that produces a recognizable trait and can be used in family or population studies
Sorry, no etymologies found.
To investigate the possibility of a genetic marker for alcoholism, Schuckit decided to evaluate acetaldehyde, a substance that not only is a breakdown product of alcohol, but also a direct precursor of TIQs.
If this tool could be used to discover a genetic marker for Huntington’s disease, a neurogenetic disorder, then it seemed to be just the right one to use in searching for markers for other neurogenetic diseases, such as alcoholism.