genetic marker

noun

1. any distinct inheritable indicator of identity and ancestry.
2. HLA antigen.
3. a chromosomal landmark or allele that allows for the tracing of a specific region of DNA, as in the study of recombination.

genetic marker

noun

1. 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

1. A gene or DNA sequence having a known location on a chromosome. Genetic markers associated with certain diseases can be used to determine whether an individual is at risk for developing an inherited disease.

Word History and Origins

Origin of genetic marker¹

First recorded in 1945–50