This article reviews ethical reflections about genetic research and genetic manipulation published in 20 years of Acta Bioethica. The following relevant topics are identified in bioethics dialogue: risks evaluation, inequity, loss of biodiversity, eugenics, definition of limits between artificial and natural, dialogue between detractors and promoters of biotechnology, challenges in health care, information and confidentiality management. Reflections consider that bioethics can act as mediator among diverse stakeholders affronting the problems that arise when applying technology to life, allowing to recognize and to reach consensus for solving differences in equity, autonomy and the balance of risks and benefices. The reflections in Acta Bio...