mitochondrial DNA
noun
: an extranuclear double-stranded DNA found exclusively in mitochondria that in most eukaryotes is a circular molecule and is maternally inherited
—abbreviation mtDNA
Examples of mitochondrial DNA in a Sentence
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Mitochondria normally neutralize free radicals, but, when radiation injures them, this process becomes more difficult; the free radicals then damage mitochondrial DNA, and that weakens the mitochondria further.
—
Dhruv Khullar, The New Yorker, 10 Feb. 2025
And Crypto Price Earthquake Another theory points to mitochondrial DNA mutations.
—William A. Haseltine, Forbes, 13 Sep. 2024
This year, researchers conducted a new analysis of Hauser’s hair samples and were able to prove that his mitochondrial DNA, or genetic code passed down on the maternal side, did not match the mitochondrial DNA from the Baden family.
—Cnn, The Mercury News, 25 Dec. 2024
Midtown Jane Doe would have to be matched to a relative through mitochondrial DNA, which is passed down from the maternal line.
—Sarah Weinman, Rolling Stone, 1 Dec. 2024
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Dhruv Khullar, The New Yorker, 10 Feb. 2025
And Crypto Price Earthquake Another theory points to mitochondrial DNA mutations.
—William A. Haseltine, Forbes, 13 Sep. 2024
This year, researchers conducted a new analysis of Hauser’s hair samples and were able to prove that his mitochondrial DNA, or genetic code passed down on the maternal side, did not match the mitochondrial DNA from the Baden family.
—Cnn, The Mercury News, 25 Dec. 2024
Midtown Jane Doe would have to be matched to a relative through mitochondrial DNA, which is passed down from the maternal line.
—Sarah Weinman, Rolling Stone, 1 Dec. 2024
See All Example Sentences for mitochondrial DNA
Cite this Entry
“Mitochondrial DNA.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mitochondrial%20DNA. Accessed 27 Feb. 2025.
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