the alteration in the expression of a gene or genetic region due to its relocation within the genome as a result of inversion or translocation.
Origin of position effect
First recorded in 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the effect on the phenotype of interacting genes when their relative positions on the chromosome are altered, as by inversion
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
Variation in the expression of a gene that results from changes in the gene's position along a chromosome.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.