introgression

[ in-truh-gresh-uhn ]

See synonyms for introgression on Thesaurus.com

nounGenetics.

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

First recorded in 1930–35 (earlier in literal sense of Latin ); from Latin intrōgress(us) past participle of intrōgredī “to go in, enter” (intrō- “within, inward” + -gred-, combining form of grad(ī) “to proceed, walk” + -tus past participle suffix, with -dt- becoming -ss- ); see -ion,intro-

Also called in·tro·gres·sive hybridiza·tion [in-truh-gres-iv]. /ˌɪn trəˈgrɛs ɪv/.

Words Nearby introgression

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use introgression in a sentence

His insights include recurring facts about introgressions—the transfer of genetic material from one species to another—that have upended the simple family tree of our evolution.
Humans Are One Mixed-Up Ape - Facts So Romantic | Phil Jaekl | July 9, 2021 | Nautilus

British Dictionary definitions for introgression

introgression

/ (ˌɪntrəˈɡrɛʃən) /

noun

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

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