How to Use trisomy 21 in a Sentence

trisomy 21

noun
  • The following week, the results came back positive for trisomy 21, the most common type of Down Syndrome.
    Kate Branch, Vogue, 9 Feb. 2018
  • There are three types of Down syndrome: translocation, mosaicism and trisomy 21.
    Cnn Editorial Research, CNN, 28 May 2021
  • The aim of the series, Grevenitis told me, is to demystify disability by compiling a full portrait of life with trisomy 21.
    Eren Orbey, The New Yorker, 18 Aug. 2020
  • Then all the cells of the resultant embryo have a missing or added chromosome, as in trisomy 21 (Down syndrome), where chromosome 21 has three chromosomes instead of a pair.
    Mark Cohen, Discover Magazine, 28 Aug. 2014
  • In those with trisomy 21, the individual possesses a full extra copy of the chromosome.
    Cnn Editorial Research, CNN, 28 May 2021
  • These laws typically target Down syndrome, or trisomy 21, in which the presence of a third chromosome 21 can have a range of physical and mental effects, milder in some children than others.
    Sarah Zhang, The Atlantic, 20 May 2022
  • For example, having three copies of chromosome 21 (trisomy 21) is of clear clinical interest, because that leads to Down syndrome.
    Quanta Magazine, 8 Sep. 2021
  • 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
  • But Tennessee restricts abortions specifically on the basis of trisomy 21.
    Sarah Zhang, The Atlantic, 20 May 2022
  • The congenital condition now known as trisomy 21 was previously called Down syndrome, a name chosen to replace the unacceptable term Mongolism.
    Helen Branswell, STAT, 28 Nov. 2022

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'trisomy 21.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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