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Examples of trisomy 21 in a Sentence
Recent Examples on the Web
For example, babies with trisomy 21 have Down syndrome.
—Krissi Danielsson, Parents, 30 July 2024
This individual, thought to be the oldest record of Down syndrome, was also examined in the new study and confirmed to have had trisomy 21.
—Catherine Duncan, Smithsonian Magazine, 27 Feb. 2024
For example, trisomy 21, the most common form, also known as Down syndrome, occurs when a baby is born with three No. 21 chromosomes.
—Rick Mauch, Fort Worth Star-Telegram, 24 Jan. 2024
The most common type of Down syndrome is trisomy 21.
—Ashlyn Messier, Fox News, 8 Oct. 2023
Kayleigh Williamson will be wearing bib number 321 at #Boston127—a number representing the trisomy 21 in the Down syndrome community.
—Shannon Larson, BostonGlobe.com, 14 Apr. 2023
People with Down syndrome, or trisomy 21, a genetic condition caused by an extra copy of human chromosome 21, experienced a remarkable increase in life expectancy during the 20th century.
—Joaquin Espinosa, The Conversation, 5 June 2023
One condition that could be affected is Down syndrome or trisomy 21, which occurs when a person carries an extra copy (partial or complete) of chromosome 21.
—Joshua Rapp Learn, Discover Magazine, 8 May 2023
Lulu was born with trisomy 21, or Down syndrome, the most common chromosomal anomaly diagnosed in the United States; the condition, which affects about six thousand American babies each year, causes conspicuous delays in mental and physical development.
—Eren Orbey, The New Yorker, 18 Aug. 2020
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Word History
Etymology
from the occurrence of trisomy in chromosome 21 of persons with Down syndrome
First Known Use
1961, in the meaning defined above
Dictionary Entries Near trisomy 21
Cite this Entry
“Trisomy 21.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trisomy%2021. Accessed 19 Nov. 2024.
Medical Definition
trisomy 21
nounMore from Merriam-Webster on trisomy 21
Britannica.com: Encyclopedia article about trisomy 21
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