What are genes? Can my experiences change my DNA - for example, an environmental disaster, a war or a refugee experience? A group of 12 young people between the ages of 14 and 24, who were born in Munich, moved here or came as refugees to Munich, spent six months examining these questions - coached by YouthNet and scientists from the cooperation partners BIOTOPIA Lab and the Institute for Human Genetics of the TUM at Klinikum rechts der Isar.