Quote Originally Posted by Varg Vikernes 2 View Post
If I do a 1 to 1 comparison between me and the match on both sites, it seems that 23andMe is missing some fairly large chunks (5CM to 10CM) so it doesn't seem to be counting up ancient DNA here.
You can even share 20 cM identical by descent segment with somebody, so it can be easily false match. Check if segments you match are here http://www.khazaria.com/genetics/exc...d-regions.html