Dictionary

1backcross

verb back·cross \ˈbak-ˌkrs\

Definition of BACKCROSS

transitive verb
:  to cross (a first-generation hybrid) with one of the parental types

First Known Use of BACKCROSS

1904

2backcross

noun

Definition of BACKCROSS

:  a mating that involves backcrossing; also :  an individual produced by backcrossing

First Known Use of BACKCROSS

1918

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