This document summarizes a seminar presentation on ethical issues in biotechnology. It begins with an introduction to biotechnology and ethics. It then discusses some of the major ethical issues that arise in biotechnology, including socio-economic issues regarding public perception and awareness, cultural issues around modifying life itself, legal issues around new techniques like gene therapy and stem cells, environmental issues regarding impacts on the ecosystem, and religious issues around views of what is natural or against divine order. The conclusion calls for fully analyzing each biotechnology application scientifically and ethically to maximize benefits while acknowledging uncertainties and taking precautions.