mosaicism

noun

mo·​sa·​i·​cism mō-ˈzā-ə-ˌsi-zəm How to pronounce mosaicism (audio)
: the condition of possessing cells of two or more different genetic constitutions

Examples of mosaicism in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Those who showed any other chromosomes, or a mosaicism of chromosomes, were at times advised to fake a last-minute injury and to quietly retire from sports. S. C. Cornell, The New Yorker, 2 Dec. 2023 Less common types of Down syndrome are translocation and mosaicism. Ashlyn Messier, Fox News, 8 Oct. 2023 According to the team on this study, this mixture shows the impact of evolutionary mosaicism–different rates of evolutionary change in body structures and function– in early bird evolution. Laura Baisas, Popular Science, 6 Sep. 2023 When the protocol is safe—when the problems of unintended mutations and mosaicism are solved in the lab—the urgency of exploiting the new technology to save lives seems likely to push any remaining reservations aside. Dana Goodyear, The New Yorker, 2 Sep. 2023 See all Example Sentences for mosaicism 

Word History

First Known Use

1920, in the meaning defined above

Time Traveler
The first known use of mosaicism was in 1920

Dictionary Entries Near mosaicism

Cite this Entry

“Mosaicism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mosaicism. Accessed 14 Nov. 2024.

Medical Definition

mosaicism

noun
mo·​sa·​i·​cism mō-ˈzā-ə-ˌsiz-əm How to pronounce mosaicism (audio)
: the condition of possessing cells of two or more different genetic constitutions

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