introgression

(redirected from Hybrid introgression)
Also found in: Medical.

in·tro·gres·sion

 (ĭn′trə-grĕsh′ən)
n.
The movement or spread of alleles of one species into the gene pool of another through repeated backcrossing of interspecific hybrids with members of one of the parental species.

[From Latin intrōgressus, past participle of intrōgredī, to step in : intrō-, intro- + gradī, to step; see ghredh- in Indo-European roots.]

in′tro·gres′sive (-grĕs′ĭv) adj.

introgression

(ˌɪntrəˈɡrɛʃən)
n
(Genetics) the introduction of genes from the gene pool of one species into that of another during hybridization