noun Genetics

one of a group of nonallelic genes that together control a quantitative characteristic in an organism.

Origin of polygene

1940–45; back formation from polygenic; see poly-, gene, -ic
Also called multiple factor, quantitative gene.
Related formspol·y·gen·ic [pol-ee-jen-ik] /ˌpɒl iˈdʒɛn ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for polygenic



of, relating to, or controlled by polygenespolygenic inheritance



any of a group of genes that each produce a small quantitative effect on a particular characteristic of the phenotype, such as height
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

Word Origin and History for polygenic

1823, from poly- + -genic. Used in chemistry from 1873 for "forming two or more compounds" (with hydrogen or another univalent element). Related: Polygenetic.

Online Etymology Dictionary, © 2010 Douglas Harper

polygenic in Medicine




Relating to a characteristic or disease controlled by the interaction of genes at more than one locus.




One of a group of nonallelic genes acting together to produce quantitative variations of a particular character.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.