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 because, per the National Institute of Neurological Disorders and Stroke, certain genetic markers are much more common among people with narcolepsy, though having those genes does not guarantee someone will develop the condition. Daryl Austin, USA Today, 8 July 2026 This method creates many copies of specific, short genetic markers that researchers can use to identify particular species. Jenny Whilde, The Conversation, 7 July 2026 However, elites’ DNA contained genetic similarities known as runs of homozygosity — adjacent genetic markers indicating common ancestry — and their genomes tended to be more homogenous than those of non-elites. Mindy Weisberger, CNN Money, 6 July 2026 The team did not find any of this male genetic marker inside of the tooth enamel. Laura Baisas, Popular Science, 24 June 2026 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 12 Jul. 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

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