[ sis-tron ]
/ ˈsɪs trɒn /
a segment of DNA that encodes for the formation of a specific polypeptide chain; a structural gene.
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OTHER WORDS FROM cistroncis·tron·ic, adjective
Words nearby cistron
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for cistron
/ (ˈsɪstrən) /
genetics the section of a chromosome that encodes a single polypeptide chain
Word Origin for cistron
C20: from cis-trans; see cis-trans test
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
Medical definitions for cistron
[ sĭs′trŏn′ ]
The smallest functional unit of heredity; a length of chromosomal DNA associated with a single biochemical function and essentially equivalent to a gene.
Other words from cistroncis•tron′ic adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for cistron
[ sĭs′trŏn′ ]
A section of DNA that contains the genetic code for a single polypeptide and functions as a hereditary unit.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.