Complex sentence: Religious critics have argued that Singer's ethic ignores and undermines the traditional notion of the sanctity of life; whereas bioethics associated with the Disability Rights and Disability Studies communities have argued that his epistemology is based on ableist conceptions of disability.
Split into simpler sentences: Religious critics have argued that Singer's ethic ignores and undermines the traditional notion of the sanctity of life. Bioethicists associated with the Disability Rights and Disability Studies communities have argued that his epistemology is based on ableist conceptions of disability.