Thanks for sharing the study, Charles! Out of curiosity, was this
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found across all haplogroups? The reason I ask is that we have a few
haplogroups associated with the Jewish population, among them J1, J2,
Q, R1b, E, etc. Also, is there a freely-available or is it purchase-
Jewish R1b Project @ FTDNA
Jewish Cohane Project @ FTDNA
Moravian Jewish Project @ FTDNA
Date: Tue, 2 Nov 2010 09:34:10 -0400
The picture presented by admixture analysis of the Ashkenazim and
Sephardim is actually rather complex. European Sephardim and
Ashkenazim are very similar. In both the largest single component is
associated with southwestern European populations like the Sardinians.
Next in size is a component associated with Caucasus populations like
the Georgians. After that comes a component associated with southern
Middle Eastern populations like the Saudis. Next both groups have a
considerable component that is associated with northern European
populations like the Lithuanians. Here there is a difference between
Sephardim and Ashkenazim witht he northern European component about
twice as high among the Ashkenazim. All these components are
associated with Europe and the Middle East.
Other components are smaller. Sephardim have .1% of a component
associated with the Siberian populations like the Yakut. This
component is .6% among the Ashkenazim. A component associated with
East Asian populations like the Hmong of China is .2% among the
Sephardim and .8% among the Ashkenazim. These numbers are small but
higher among the Ashkenazim as would be expected.
In the broader picture the European Jews, Ashkenazim and Sephardim are
quite similar to Jewish populations >from Iraq, Iran and the Caucasus.