“Viking” was a job description, not a matter of heredity

[Blattspitze]

The genetic details may also rewrite popular perceptions of Vikings, including their looks: Viking Age Scandinavians were more likely to have black hair than people living there today. And comparing DNA and archaeology at individual sites suggests that for some in the Viking bands, “Viking” was a job description, not a matter of heredity.
https://www.sciencemag.org/news/2020/09 ... tudy-shows