.Jewish Identity is complicated. It is a matter of choice, but is it also a matter of inheritance? Or could it be both? Professor Pollack, a biologist who has worked on DNA matters for more than half a century, will address these questions. This project is part of a national program entitled "Scientists in Synagogues," a grass-roots initiative run by Sinai and Synapses in consultation with the American Association for the Advancement of Science Dialogue on Science, Ethics and Religion, and funded by the John Templeton Foundation, along with other individual donors.