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May 25, 2012
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back•cross



Pronunciation: (bak'krôs", -kros"), [key] Genetics.

—v.t.
to cross (a hybrid of the first generation) with either of its parents.

—n.
an instance of such crossing.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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