genetic marker

noun

Definition of genetic marker

: 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 The mosquitoes will also contain a genetic marker so that scientists can easily identify them from wild populations, per Oxitec. Margaret Osborne, Smithsonian Magazine, 30 Mar. 2022 Doctors look for a genetic marker in the blood called HLA-B27, which many ankylosing spondylitis patients will be positive for, although not always. Colleen Stinchcombe, Health.com, 21 Jan. 2022 Through November 1, nearly half of the COVID-19 cases in the four counties making up the Boston area had the genetic marker that linked the virus to the conference, implicating the event in 51,000 cases in the area. Irina Ivanova, CBS News, 12 Dec. 2020 That genetic marker started appearing in other states in early March, being especially prevalent in places where conference attendees returned home. Irina Ivanova, CBS News, 12 Dec. 2020 After researchers discovered a genetic marker for resistance to infectious pancreatic necrosis, companies quickly bred strains that can survive this deadly disease. Erik Stokstad, Science | AAAS, 19 Nov. 2020 Kolker follows DeLisi and other researchers on their decades-long search for the disease’s genetic markers, following misadventures in research funding and mazes filled with dead ends. Sam Dolnick, New York Times, 3 Apr. 2020 Adding to growing evidence that the virus can spread through the air, Chinese scientists reported capturing tiny droplets containing its genetic markers in two hospitals in Wuhan, where the outbreak started. Melina Delkic, New York Times, 29 Apr. 2020 Despite a growing list of these genetic markers, identified by combing the DNA of large groups of people with and without a disease, researchers have only figured out what a specific marker means for a person’s health in a few cases. Jocelyn Kaiser, Science | AAAS, 4 Oct. 2019 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'genetic marker.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of genetic marker

1932, in the meaning defined above

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Time Traveler for genetic marker

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The first known use of genetic marker was in 1932

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Dictionary Entries Near genetic marker

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genetic marker

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Cite this Entry

“Genetic marker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/genetic%20marker. Accessed 1 Jul. 2022.

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More Definitions for genetic marker

genetic marker

noun

Medical Definition of genetic marker

: 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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