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.

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

n.

  1. A gene phenotypically associated with a particular, easily identified trait and used to identify an individual or cell carrying that gene.

  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.

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