junk DNA

noun

Definition of junk DNA

: a region of DNA that usually consists of a repeating DNA sequence, does not code for protein, and has no known function

First Known Use of junk DNA

1963, in the meaning defined above

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Time Traveler for junk DNA

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The first known use of junk DNA was in 1963

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Cite this Entry

“Junk DNA.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/junk%20DNA. Accessed 26 Nov. 2020.

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More Definitions for junk DNA

junk DNA

noun
\ ˈjəŋk- How to pronounce junk DNA (audio) \

Medical Definition of junk DNA

: a region of DNA (as spacer DNA) that usually consists of a repeating DNA sequence, does not code for protein, and has no known function

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