[ bak-kraws, -kros ]
/ ˈbækˌkrɔs, -ˌkrɒs /
verb (used with object)
to cross (a hybrid of the first generation) with either of its parents.
an instance of such crossing.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for backcross
/ (ˈbækˌkrɒs) /
to mate (a hybrid of the first generation) with one of its parents
the offspring so produced
the act or process of backcrossing
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
Science definitions for backcross
[ băk′krôs′, -krŏs′ ]
To cross a hybrid with one of its parents or with an individual genetically identical to one of its parents. Backcrossing is used in research to isolate genetic characteristics found in one of the parents.
The act of making such a cross.
An individual resulting from such a cross.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.