introgression

(-gres̸hən)

noun

the infiltration of genes from the gene pool of one species into that of another

Origin: intro- + (di)gression

Related Forms:

See introgression in American Heritage Dictionary 4

noun
Infiltration of the genes of one species into the gene pool of another through repeated backcrossing of an interspecific hybrid with one of its parents.

Origin:

Origin: From Latin intrōgressus

Origin: , past participle of intrōgredī, to step in

Origin: : intrō-, intro-

Origin: + gradī, to step; see ghredh- in Indo-European roots

.

Related Forms:

  • inˌtro·gresˈsive (-grĕsˈĭv) adjective

Learn more about introgression

link/cite print suggestion box