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  • Title: Immunoglobulin allotypes in Jewish populations living in Israel and the United States.
    Author: Stevenson JC, Schanfield MS, Sandler SG.
    Journal: Am J Phys Anthropol; 1985 Jul; 67(3):195-207. PubMed ID: 4061577.
    Abstract:
    The ongoing interest in the interrelationships of Jewish populations justifies inclusion of the immunoglobulin allotypes in an ethnohistorical analysis. A total of 2,184 serum specimens obtained from unrelated Israeli Jewish and self-identified Milwaukee, WI, Jewish blood donors were classified as Ashkenazi, Sephardi, Asiatic, or North African and tested for G1m (a, x, z, and f), G3m (b0, b1, b3, b5, g), A2m (1 and 2), and Km (1). Selected sera were also tested for G3m (s, t, c3, c5). The estimated maximum likelihood Gm-Am haplotype frequencies were used in a heterogeneity chi-square analysis. The results indicate that there is less heterogeneity within Jewish populations from Europe, Middle East, and North Africa than in corresponding non-Jewish populations representing the same geographical areas. In order to avoid the hazards of a univariate focus, previously published data were incorporated into two additional analyses: 15 populations with information on 16 genetic loci and 24 populations with information on five genetic loci. Both sets of data were analyzed using principal-components and cluster analysis. In both sets of analyses, with the exception of the Yemenite Jews, Jewish populations grouped together. These analyses support the belief that Jewish populations appear to be derived from a common gene pool, and there has been some genetic drift and minimal gene flow with surrounding populations.
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