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
genetic marker in American English
any allele or gene associated with a specific chromosome and used in genetic research, as in the identification and location of the other genes in a linkage group
Examples of 'genetic marker' in a sentence
genetic marker
We now have enough genetic markers and drugs for this to make a real difference.
Times, Sunday Times (2010)
They seem to indicate genetic markers from all over.
Times, Sunday Times (2010)
These digital readings can then be assessed against genetic markers that are known to indicate disease.
Times, Sunday Times (2015)
The problem with this argument is that it assumes no genetic markers at all.
Times, Sunday Times (2013)
Scientists search for genetic markers that could make you more susceptible to certain diseases.
The Sun (2013)
But luckily the health of your heart is not just about your genetic markers.