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 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, "Boston medical conference linked to as many as 300,000 COVID-19 cases in U.S.," 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, "Boston medical conference linked to as many as 300,000 COVID-19 cases in U.S.," 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, "New genetic tools will deliver improved farmed fish, oysters, and shrimp. Here’s what to expect," 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, "Good Looks Ran in the Family. So Did Schizophrenia.," 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, "China’s parliament, Irrfan Khan, South Korea: Here’s what you need to know.," 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, "A global push to get from disease genes to medicines," 4 Oct. 2019 The instruments that processed those tests can be modified to look for genetic markers of the coronavirus. Guy Boulton, Milwaukee Journal Sentinel, "Exact Sciences in Madison ready to process 20,000 coronavirus tests per week, expanding Wisconsin's testing capacity," 20 Apr. 2020 With bone marrow transplants, genetic markers are used to determine a suitable match. David Tarrant, Dallas News, "She signed up to donate bone marrow 20 years ago. Then a Dallas-area boy needed help," 15 Feb. 2020

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.

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First Known Use of genetic marker

1932, in the meaning defined above

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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 14 Apr. 2021.

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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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