Jewish bioethics and medical genetics

Man has been aware of the science of genetics, i.e, how living things transport heritable traits to their offspring, since biblical times. However, knowledge regarding genetic disorders has increased greatly in recent years. Advances have been made with respect to both the methodology of genetic diagnosis and the treatment of genetic diseases. Both Jewish and secular ethicists, in general, approve of new genetic diagnostic techniques and genetic therapy if the risk/benefit ratio is favorable for humankind. However, all medical ethicists are still struggling with the ethical question: “To what extent should we tamper with the process of natural selection?”