introgress
verb
- to transfer genetic material into another individual
- to transfer genetic material reproductively, usually of a hybrid back into one of the originating species by back-breeding
- to transfer genetic material non-reproductively, usually by horizontal gene transfer
Wiktionary
verb
Etymology: From Latin introgredior (“to step in, enter”).
- To infiltrate the genes of one species into the gene pool of another through repeated backcrossing of an interspecific hybrid.