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
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The paper’s authors looked at individual traits, presentations and genetic markers to power an analysis of 5,000 autistic children identified in a database managed by the nonprofit Simons Foundation, which supports science research. The Baltimore Sun, Boston Herald, 30 Dec. 2025 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 Abbott is a diagnostics company that sells lab tests for heart disease and infections, rapid tests for COVID-19 and advanced molecular tests that detect genetic markers and viruses. Sarah Volpenhein, jsonline.com, 20 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 See All Example Sentences for genetic marker

Word History

First Known Use

1932, in the meaning defined above

Time Traveler
The first known use of genetic marker was in 1932

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Cite this Entry

“Genetic marker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/genetic%20marker. Accessed 9 Jan. 2026.

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

Last Updated: - Updated example sentences
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