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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
This means the blood test markers and cancer genetic markers fall between those of stages 1 and 3—the cancer is no longer in its early stage but not yet in a more advanced stage.
—Lindsay Curtis, Health, 1 Dec. 2024
In their Nature paper, Griffiths and Cheng’s team highlight genes and genetic markers for a variety of important traits, such as nutritional content and stress tolerance.
—Byerik Stokstad, science.org, 17 June 2024
Efforts to pinpoint genetic markers of autism have raised serious concerns about eugenics — namely, that if parents could get a prenatal test for autism, many of them would choose not to have those children.
—Celia Ford, Vox, 7 Dec. 2018
By identifying new genetic markers associated with breast cancer and other cancers prevalent in Caribbean populations, Dr. Weldon aims to facilitate earlier and more accurate diagnoses.
—Melissa Noel, Essence, 16 Sep. 2024
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Word History
First Known Use
1932, in the meaning defined above
Dictionary Entries Near genetic marker
Cite this Entry
“Genetic marker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/genetic%20marker. Accessed 15 Dec. 2024.
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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