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 Every person inherits mitochondrial DNA from their mother’s mother’s side that never changes. La Risa R. Lynch, Journal Sentinel, 28 June 2024 Advanced technology, including dental and anthropological analysis and mitochondrial DNA analysis, were used to help identify the remains. Kerry Breen, CBS News, 25 June 2024 Jin and his team conducted association analyses of 16 basal mitochondrial DNA haplogroups, genetic families tracing back to a common ancestor. Sujita Sinha, Interesting Engineering, 24 June 2024 And although those chromosomes come from both parents, nearly all humans inherit their mitochondrial DNA (mtDNA) from their mother's egg cell. Sneha Khedkar, Scientific American, 1 Jan. 2024 See all Example Sentences for mitochondrial DNA 

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

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 26 Jul. 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!