intron(redirected from intron-exon junction)
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A segment of a gene situated between exons that is removed before translation of messenger RNA and does not function in coding for protein synthesis.
(Genetics) biochem a stretch of DNA that interrupts a gene and does not contribute to the specification of a protein. Compare exon2
[C20: from intr(agenic) (regi)on]
a noncoding segment in DNA that interrupts a gene-coding sequence or nontranslated sequence. Compare exon.
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|Noun||1.||intron - sequence of a eukaryotic gene's DNA that is not translated into a protein|
deoxyribonucleic acid, desoxyribonucleic acid, DNA - (biochemistry) a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix; associated with the transmission of genetic information; "DNA is the king of molecules"