Árnason, Einar; Halldórsdóttir, Katrín
(American Association for the Advancement of Science (AAAS), 2019-03-20)
Introgressive hybridization creates networks of genetic relationships across species. Among marine fish of the
Gadidae family, Pacific cod and walleye pollock are separate invasions of an Atlantic cod ancestor into the Pacific.
Cods are ecological ...