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

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.
Additionally, scientists from the Armed Forces Medical Examiner System used mitochondrial DNA and mitochondrial genome analysis, according to the release. Nwa Democrat-Gazette, arkansasonline.com, 4 Oct. 2024 However, additional studies are needed to understand how mitochondrial DNA mutations are passed down. William A. Haseltine, Forbes, 13 Sep. 2024 Genetic analysis using mitochondrial DNA markers provided additional confirmation of their suspicions. Melissa Cristina Marquez, Forbes, 16 Sep. 2024 Researchers have the genome of the girl, as well as bits of nuclear and mitochondrial DNA from fragmentary fossils—teeth, a toe bone—of seven additional individuals, all also from Denisova Cave. Byann Gibbons, science.org, 11 July 2024 See all Example Sentences for mitochondrial DNA 

Word History

First Known Use

1964, in the meaning defined above

Time Traveler
The first known use of mitochondrial DNA was in 1964

Dictionary Entries Near mitochondrial DNA

Cite this Entry

“Mitochondrial DNA.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mitochondrial%20DNA. Accessed 17 Nov. 2024.

Medical Definition

mitochondrial DNA

noun
: an extranuclear double-stranded DNA found exclusively in mitochondria that in most eukaryotes is a circular molecule and is maternally inherited

called also mtDNA

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!