introgress

Meanings

1. 1
   verb

   to introduce genes from one species or population into the gene pool of another through hybridization and repeated backcrossing

   Breeders repeatedly backcrossed the hybrid to introgress disease-resistance genes into the commercial tomato variety.

From Latin introgredi ("to step in, enter"), built from intro- ("inward") and gradi ("to step, walk"). Genetics adopted the image of entering for hereditary material that passes from one species or population into another through hybridization and repeated backcrossing.

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