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British Dictionary definitions for pleiotropism

pleiotropism

noun
  1. 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

pleiotropism in Medicine

pleiotropism

(plī-ŏtrə-pĭz′əm)
n.
  1. The control by a single gene of several distinct and seemingly unrelated phenotypic effects.
Related formsplei′o•tropic (plī′ə-trŏpĭk, -trōpĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.