In fairness, the further back you go, the fewer your ancestors. Mitochondrial DNA shows that Europeans descend from just 7 women. Male DNA is harder to track, but it is probably even less. Jewish brides often used to travel long distances due to arranged marriages. You got Italians mixing with Iranians, English Jews mixing with Jews in Riga. Small gene pool, but well mixed, which may account for the almost universal Jewish 'look' and the supposed intelligence,which may be more due to the Jewish family not being so fucked up.
In fairness, the further back you go, the fewer your ancestors. Mitochondrial DNA shows that Europeans descend from just 7 women. Male DNA is harder to track, but it is probably even less. Jewish brides often used to travel long distances due to arranged marriages. You got Italians mixing with Iranians, English Jews mixing with Jews in Riga. Small gene pool, but well mixed, which may account for the almost universal Jewish 'look' and the supposed intelligence,which may be more due to the Jewish family not being so fucked up.
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