introgression(redirected from Genetic introgression)
Also found in: Dictionary, Legal.
Related to Genetic introgression: introgressive hybridization
The movement or spread of alleles of one species into the gene pool of another through repeated backcrossing of interspecific hybrids with members of one of the parental species.
in′tro·gres′sive (-grĕs′ĭv) adj.