Abstract
MacDonald develops an evolutionary perspective on Judaism. Judaism is conceptualized as a group evolutionary strategy characterized by a high degree of endogamy and resistance to genetic and cultural assimilation. Data are provided to support the author's theory that Judaism is characterized by a high level of within-group altruism and competition with outgroups. Finally, MacDonald argues that Judaism has been characterized by eugenic practices aimed at high intelligence and high investment parenting. After outlining a theory of evolutionary group strategies, MacDonald discusses the evidence from modern studies showing population genetic differences between Jews and Gentiles. He then shows that Jewish religious writing points to a pronounced tendency toward idealizing endogamy and condemning exogamy, and he points to the ways religious ideology and practice have facilitated the genetic and cultural separation of Jews and Gentiles. He then reviews evidence for resource and reproductive competition and the importance of kin-based cooperation and altruism as well as assortative mating for intelligence and resource aquisition ability among Jews. This study is a highly original attempt to develop an evolutionary understanding of one of the world's great religions. As such, it will be of concern to scholars and researchers in the fields of sociobiology and religion as well as the general reading public.
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