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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That’s partly because, unlike a condition with a clear genetic marker like Down Syndrome or trisomy 18, ASD encompasses a wide range of conditions that share some characteristics. Laura Tillman, Hartford Courant, 16 June 2025 There’s ongoing research into whether there’s a genetic predisposition to the condition, Matouk says, but at the moment, doctors don’t have a solid genetic marker for it. Jon Blistein, Rolling Stone, 23 May 2025 The technology is able to do this by not only detecting specific genetic markers for certain diseases but by also calculating polygenic scores, which combine up to a million genetic markers into a single number to determine someone's genetic predisposition for a condition or trait. Jasmine Laws, MSNBC Newsweek, 20 June 2025 Second, data on 2,373 adults obtained from the Taiwan Biobank, which was used to analyze genetic markers related to melatonin secretion through a measure called UMCR (urinary 6-hydroxymelatonin sulfate-to-creatinine ratio). Paul McClure 09, New Atlas, 9 June 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 21 Jul. 2025.

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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