This study explores models of how people perceive moral aspects of socio‐scientific issues. Thirty college students participated in interviews during which they discussed their reactions to and resolutions of two genetic engineering issues. The interview data were analyzed qualitatively to produce an emergent taxonomy of moral concerns recognized by the participant. The participants expressed sensitivity to moral aspects including concern and empathy for the well‐being of others, an aversion to altering the natural order and slippery slope implications. In arriving at (...) their final resolutions, many participants integrated their moral concerns with non‐moral factors. The patterns revealed suggest that moral and non‐moral concerns act in concert as they influence socio‐scientific decision‐making. (shrink)