/ (plaɪˈɒtrəˌpɪzəm) /
genetics the condition of a gene of affecting more than one characteristic of the phenotype
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 pleiotropism
[ plī-ŏt′rə-pĭz′əm ]
The control by a single gene of several distinct and seemingly unrelated phenotypic effects.
Related formsplei′o•trop′ic (plī′ə-trŏp′ĭk, -trō′pĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.