1892 ⟶ Hans Driesch demonstrates totipotency in sea urchin embryos
Hans Driesch separated the individual cells of a 2-cell sea ...Year
1892
🔬 Hans Driesch demonstrates totipotency in sea urchin embryos
Hans Driesch separated the individual cells of a 2-cell sea urchin embryo and shows that each cell develops into a complete individual, thus disproving the theory of preformation and showing that each cell is "totipotent," containing all the hereditary information necessary to form an individual.⟶

EmbryologyCell BiologyDevelopmental BiologyTotipotencySea UrchinExperimental Biology19th Century ScienceGerm TheoryDriesch, Hans
