Y chromosome
noun
: a sex chromosome that is characteristic of male cells in species in which the male typically has two unlike sex chromosomes compare x chromosome
Examples of Y chromosome in a Sentence
Recent Examples on the Web
In the case of the X and Y chromosomes in mammals, suppression of recombination has been hypothesized to cause progressive loss of gene function and even the loss of entire genes.
—
Donna L. Maney, Scientific American, 18 Feb. 2025
Biological females typically have two X chromosomes (XX), and biological males typically have one X and one Y chromosome (XY).
—Loreben Tuquero, Austin American-Statesman, 7 Aug. 2024
According to the National Health Service in England, the presence of X and Y chromosomes in women can only be determined with chromosomal testing, usually given in the form of an ultrasound or a blood test.
—Mark Puleo, The Athletic, 3 Aug. 2024
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A simple difference in the genetic code – two X chromosomes versus one X chromosome and one Y chromosome – can lead to major differences in heart disease.
—Amy Huebschmann, Discover Magazine, 24 Oct. 2024
The ovum carries an X chromosome, while sperm cells can carry either an X or a Y chromosome.
—Heather Jones, Verywell Health, 19 Sep. 2024
At the time of their disqualifications, the president of the International Boxing Association, which governs the World Boxing Championships, alleged that the boxers’ chromosome tests came back as XY (women typically have two X chromosomes, while men typically have an X and a Y chromosome).
—Matt Lavietes, NBC News, 30 July 2024
Females usually have two X chromosomes, while males tend to have one X and one Y chromosome.
—Devika Rao, theweek, 14 Mar. 2024
The tests strongly indicated that Eston had the same Y chromosome mutations seen in the Jefferson lineage.
—The New York Times News Service Syndicate, Baltimore Sun, 4 May 2024
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Donna L. Maney, Scientific American, 18 Feb. 2025
Biological females typically have two X chromosomes (XX), and biological males typically have one X and one Y chromosome (XY).
—Loreben Tuquero, Austin American-Statesman, 7 Aug. 2024
According to the National Health Service in England, the presence of X and Y chromosomes in women can only be determined with chromosomal testing, usually given in the form of an ultrasound or a blood test.
—Mark Puleo, The Athletic, 3 Aug. 2024
Newsletter Sign up for our email newsletter for the latest science news
A simple difference in the genetic code – two X chromosomes versus one X chromosome and one Y chromosome – can lead to major differences in heart disease.
—Amy Huebschmann, Discover Magazine, 24 Oct. 2024
The ovum carries an X chromosome, while sperm cells can carry either an X or a Y chromosome.
—Heather Jones, Verywell Health, 19 Sep. 2024
At the time of their disqualifications, the president of the International Boxing Association, which governs the World Boxing Championships, alleged that the boxers’ chromosome tests came back as XY (women typically have two X chromosomes, while men typically have an X and a Y chromosome).
—Matt Lavietes, NBC News, 30 July 2024
Females usually have two X chromosomes, while males tend to have one X and one Y chromosome.
—Devika Rao, theweek, 14 Mar. 2024
The tests strongly indicated that Eston had the same Y chromosome mutations seen in the Jefferson lineage.
—The New York Times News Service Syndicate, Baltimore Sun, 4 May 2024
Cite this Entry
“Y chromosome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Y%20chromosome. Accessed 4 May. 2025.
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Y chromosome
noun
: a sex chromosome that is characteristic of male cells in species in which the male typically has two unlike sex chromosomes compare x chromosome
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