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Also this : Genotypes in stage II confirmed the scarcity of E1b1b1c
in subjects of European ancestry (1–2%) and revealed a
higher frequency in the two Ashkenazi Jewish studies
(13–14%), in line with previous reports (Hammer et al.
2009) indicating similar Y chromosome haplogroup frequencies in men of Ashkenazi Jewish descent living in the
US and those from Jewish communities in the Middle East.


and this


In a similar manner,
haplogroup R1b1a2 was seen in 50–59% of the subjects in
different European American studies but only 10–11% in
the two Ashkenazi Jewish studies.