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

More than half of all the shepherd-type genetic markers here appeared at higher frequencies (5–10% of chromosomes), while those same markers were seen in just 1–5% of chromosomes in the city population. —New Atlas, 27 Nov. 2025

The study then examined genetics from 45 studies of dementia in 2.4 million people and compared genetic markers associated with alcohol use over a lifetime. —Sandee Lamotte, CNN Money, 23 Sep. 2025

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

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