Meaning of backcross

back•cross

Pronunciation: (bak'krôs", -kros"), [key]
— Genetics. Genetics.
—v.t.
  1. to cross (a hybrid of the first generation) with either of its parents.
—n.
  1. an instance of such crossing.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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