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Webster's New World College Dictionary » introgression
introgression
introgression definition
in·tro·gres·sion (-gres̸h′ən)
noun
the infiltration of genes from the gene pool of one species into that of another
Etymology: intro- + (di)gression
Related Forms:
- introgressive in′·tro·gres′·sive (-gres′iv) adjective
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