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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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