Dictionary.com

backcross

[ bak-kraws, -kros ]
/ ˈbækˌkrɔs, -ˌkrɒs /
Genetics.
Save This Word!

verb (used with object)
to cross (a hybrid of the first generation) with either of its parents.
noun
an instance of such crossing.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.

Origin of backcross

First recorded in 1900–05; back2 + cross
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

British Dictionary definitions for backcross

backcross
/ (ˈbækˌkrɒs) /

verb
to mate (a hybrid of the first generation) with one of its parents
noun
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

Scientific definitions for backcross

backcross
[ băkkrôs′, -krŏs′ ]

Verb
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.
Noun
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.
FEEDBACK