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Related to polyteny: lampbrush chromosome, endomitosis


Relating to or having large chromosomes formed by repeated DNA replication and consisting of many chromatids side by side.

[poly- + Latin taenia, band (from Greek tainiā, ribbon; see ten- in Indo-European roots).]

pol′y·te′nic adj.
pol′y·te′ny n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Biology) biology the condition of being polytene
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Polyploidy and Polyteny in Salivary Gland Cells of Lestodiplosis spp.
Endopolyploidy and polyteny in differentiation's and evolutions.
The sometimes reported "polyploid" levels of DNA in shoot and root apical cells may instead reflect some other method of DNA amplification such as polyteny (Vallade & Bugnon, 1979; Kurth & Gifford, 1985).