Well aware of Jews having once been the victims of Nazi eugenics policies, many Jews today have an ambivalent attitude toward new genetics and are understandably wary of genetic forms of identity and intervention. At the same time, the Jewish tradition is strongly committed to medical research designed to prevent or cure diseases. Jews and Genes explores this tension against the backdrop of various important developments in genetics and bioethics-new advances in stem cell research; genetic mapping, identity, testing, and intervention; and the role of religion and ethics in shaping public policy