genetic marker

noun

: a readily recognizable genetic trait, gene, DNA segment, or gene product used for identification especially when closely linked to a trait or genetic material that is difficult to identify

Examples of genetic marker in a Sentence

Recent Examples on the Web

DNA tests that test for less-genetic markers will be less accurate. —Lydia Patrick, MSNBC Newsweek, 28 Aug. 2025

Essentially, different breeds have distinct patterns of SNPs in their genomes, which act as the genetic markers. —Molly Higgins, Wired News, 16 Aug. 2025

These include genetic markers, plumage (such as male peacocks having more elaborate plumage to attract a mate), or behavior. —Laura Baisas Aug 13, Popular Science, 13 Aug. 2025

King devised a formula to analyze genetic markers inherited by the second generation, eventually developing a grandpaternity index with 99.99-per-cent accuracy. —Graciela Mochkofsky, New Yorker, 31 July 2025

Word History

First Known Use

1932, in the meaning defined above

Rhymes for genetic marker

• barker
• darker
• starker
• biomarker

Medical Definition

genetic marker

noun

: a readily recognizable genetic trait, gene, DNA segment, or gene product used for identification purposes especially when closely linked to a trait or to genetic material that is difficult to identify

called also marker