Til forståelse af den genetiske struktur og vikingernes ekspansion har forskere fra flere lande undersøgt 442 skeletter i Europa og Grønland fra ca. 2400 f. Kr. til 1600 e. Kr. med vægt på vikingetiden.
Har "dansk tunge" virkelig sin oprindelse i Danmark?
"Our findings correspond with paleodemographic studies based on place-name evidence and archaeological distributions suggesting population density was higher in Denmark than elsewhere in Viking-Age Scandinavia. Gene flow from Denmark to the north is also paralleled by the linguistic affinities of the medieval Scandinavian languages: The 12th-century Icelandic law text Grágás states that the common language of Swedes, Norwegians, Icelanders, and Danes was dǫnsk tunga (‘Danish tongue’)
https://www.biorxiv.org/content/10.1101 ... LILubbYAE0