[ in-truh-gresh-uh n ]
/ ˌɪn trəˈgrɛʃ ən /
the introduction of genes from one species into the gene pool of another species, occurring when matings between the two produce fertile hybrids.
Origin of introgression
Also called in·tro·gres·sive hybridiza·tion [in-truh-gres-iv] /ˌɪn trəˈgrɛs ɪv/.
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British Dictionary definitions for introgression
/ (ˌɪntrəˈɡrɛʃən) /
the introduction of genes from the gene pool of one species into that of another during hybridization
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012