Which was the genetic impact of the Varangians in present-day Russia?

[andre]

In your opinion Which was the genetic impact of the Varangians in present-day Russia, Ukraine and Belarus?
Which are the areas with the most “Scandinavian” admixture in east slavic countries?

[Leto]

It is very small, I-M253 is at 5% or so nationally, though in some regions it may exceed 10%
https://www.eupedia.com/europe/european_y-dna_haplogroups.shtml

The Varangians were mostly an elite and quickly assimilated after the baptism of Kievan Rus.

[Not a Cop]

They didn't make much impact autosomally, maybe couple percent in Novgorod area, and maybe couple percent in whole country at haplogroups.