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

Siblings are overwhelmingly the best potential donors because their genetic markers are most likely to closely match the patient’s. —Théoden Janes, Charlotte Observer, 11 Mar. 2026

Then it is entered into a database containing DNA samples from a few million people and 500,000 genetic markers. —Rebecca Cohen, NBC news, 23 Feb. 2026

The researchers examined genetic markers linked to how the body processes sugar, then used a technique called Mendelian randomisation to compare disease rates in people who were genetically predisposed to higher blood glucose. —Melissa Rudy, FOXNews.com, 29 Jan. 2026

New research suggests that the age when symptoms first appear may help anticipate the specific traits, behaviors and genetic markers associated with an individual’s specific type of autism. —The Baltimore Sun, Boston Herald, 30 Dec. 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