Professor Stephen Oppenheimer,in his book,
Origins Of The British says that the folks with U5a DNA in Scotland and Finland are (even today) so closely related that they
had to have been in physical contact at one time in this area. He speculates that the 'homeland' of these folks probably was centered in an area presently under the North Sea and as the waters rose, they were slowly split into two groups.
On a personal note, my dad's mom (Mrs Smith) has mtDNA U5a as does 9,000 year old Cheddar Man.
BTW, there is also a 23,000 year old Cheddar Man too. (Don't know anything about him)
