Jew Do You Think You Are?

Whenever someone implies that anti-Semitism isn’t racism, I point out that it’s one of the few examples of discrimination that really is racism (unlike, for example, the invented thoughtcrime “Islamophobia”1 ) because the Ashkenazi Jewish population is as close as you can get scientifically to the common (and deeply flawed) notion of what a “race” is.

Adam Woolfe, who did his PhD at the HGMP-RC before it closed down, drew my attention to this paper in Genome Biology, “A genome-wide genetic signature of Jewish ancestry perfectly separates individuals with and without full Jewish ancestry in a large random sample of European Americans”, that shows this more rigorously:

Background

It was recently shown that the genetic distinction between self-identified Ashkenazi Jewish and non-Jewish individuals is a prominent component of genome-wide patterns of genetic variation in European Americans. No study however has yet assessed how accurately self-identified (Ashkenazi) Jewish ancestry can be inferred from genomic information, nor whether the degree of Jewish ancestry can be inferred among individuals with fewer than four Jewish grandparents.

Results

Using a principal components analysis, we found that the individuals with full Jewish ancestry formed a clearly distinct cluster from those individuals with no Jewish ancestry. Using the position on the first principal component axis, every single individual with self-reported full Jewish ancestry had a higher score than any individual with no Jewish ancestry.

  1. Many who use the word “Islamophobia” are, however, actual racists because they lump together multitudes of human individuals and assign to them both an inaccurate label and a set of presumed characteristics and/or grievances. []

3 Comments

  1. Posted 25Jan09 at 23:01 | Permalink

    Well, I’m an Ashkenazi Jew, but just to play devil’s advocate, if you speak to a Sephardi they will feel that their stock is the real Jewish base off which the Ashkenazim broke - and it’s not an easy argument to refute. The Ashkenazi population definitely had a very small base - probably a couple of thousand maybe 800 years ago, who all intermarried over and over - so it’s probably less accurate to call them a race and more a large family….

    At the same time the Jewish population of the Roman empire was relatively huge - possibly over a million…and they weren’t all wiped out in the Dark Ages, which would imply that the bulk of Jewish diversity rests in the Sephardic population.

  2. Brandy Hart
    Posted 27Jan09 at 20:21 | Permalink

    Racism is a complicated concept, used by those who don’t believe in race as well as those who do. Some arguments about anti-semitism as racism are really about the definition of the concept but some are about what to call the Jewish people.

  3. Posted 27Jan09 at 20:53 | Permalink

    I thought pretty much all arguments about antisemitism were about what to call the Jewish people.

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