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

Additional testing in 2020 produced a more detailed genetic marker profile. —Christina Coulter, PEOPLE, 20 Sep. 2025

Researchers from Karolinska Institutet and Karolinska University Hospital screened 3,508 patients with stage I, II, or III rectal cancer or stage II or III colon cancer, finding that 1,103 of these people had a specific variant in the PI3K pathway – the genetic marker of interest. —New Atlas, 18 Sep. 2025

Physicians must weigh multiple levels of information, such as the patient’s disease stage, genetic markers, previous therapies, overall health in general and even personal preferences. —Anna Forsythe, Forbes.com, 18 Sep. 2025

DNA tests that test for less genetic markers will be less accurate. —Lydia Patrick, MSNBC Newsweek, 10 Sep. 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