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intro
intro-
intro.
introd.
introduce
introducing broker
introduction
introductory
introgression
introit
introjection
intromission
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introgression
in·tro·gres·sion [ ìntrə grésh'n ]


noun 
Definition:
 
incorporation of genes: the incorporation of genes from one species into the gene pool of another as a result of hybridization
[Mid-17th century. <intro- + -gression "going," as in progression]

in·tro·gres·sant [ ìntrə gréss'nt ] adjective
in·tro·gres·sive [ ìntrə gréssiv ] adjective
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