SpartanGamer wrote:Sykes and Oppenheimer argued for significant immigration from Iberia into Britain and Ireland. Much of this argument was based upon Y DNA evidence, however by 2010 several major Y DNA studies presented more complete data, showing that the oldest-surviving male lineages had mostly migrated to Britain from the Balkans, and ultimately from the Middle East, not from Iberia.
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Yes I have seen that somewhere too, but my understanding is that this does not represent a significant proportion of the Y Dna and I understand that Sykes and Oppenheimer also used MtDna which shows that the majority of the ancestors of the British genos came from Iberia. Until recent immigration the genos has remained quite stable, despite a number of invasions , such as the Belgea, the Romans, the Angles, Saxons and Jutes, the Normans, etc.