n.
A section of DNA that contains the genetic code for a single polypeptide and functions as a hereditary unit.
[From cis-trans test, a genetic test (CIS- + TRANS-) + -ON1.]
cistronic cis·tron'ic adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
