[ in-tron ]
/ ˈɪn trɒn /
a noncoding segment in a length of DNA that interrupts a gene-coding sequence or nontranslated sequence, the corresponding segment being removed from the RNA copy before transcription.
namaskarRead more in this article about some frequently asked questions and fun facts related to our definitions.
Former vs. LatterFirst thing’s first: Former and latter are both terms that denote an item’s place in a two-part sequence. They usually appear in the sentence immediately following the sequence. Former refers back to the first of a set, while latter refers to the last item. An easy way to remember the difference is to recall that both former and first begin with an F, while both …
Also called intervening sequence.
Definition for intervening sequence (2 of 2)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for intervening sequence
/ (ˈɪntrɒn) /
biochem a stretch of DNA that interrupts a gene and does not contribute to the specification of a proteinCompare exon 2
Word Origin for intron
C20: from intr (agenic) (regi) on
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medicine definitions for intervening sequence
[ ĭn′trŏn ]
A segment of a gene situated between exons that does not function in coding for protein synthesis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for intervening sequence
[ ĭn′trŏn ]
A segment of a gene situated between exons that does not function in coding for protein synthesis. After transcription of a gene to messenger RNA, the transcriptions of introns are removed, and the exons are spliced together by enzymes before translation and assembly of amino acids into proteins. Compare exon.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Culture definitions for intervening sequence
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.