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Browse the Medical Dictionary:: A; B; C; D; E; F; G; H; I; J; K; L; M; N; O; P; Q; R; S; T; U; V; W; X; Y; Z; #

junk DNA

Main Entry:: junk DNA
Pronunciation:: \ˈjəŋk-\
Function:: noun

: 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

Learn more about "junk DNA" and related topics at Britannica.com

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