1892Hans Driesch demonstrates totipotency in sea urchin embryos

Hans Driesch separated the individual cells of a 2-cell sea ...
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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.
Hans Driesch demonstrates totipotency in sea urchin embryos (1892)
EmbryologyCell BiologyDevelopmental BiologyTotipotencySea UrchinExperimental Biology19th Century ScienceGerm TheoryDriesch, Hans
GermanyGermany
Hans Driesch demonstrates totipotency in sea urchin embryos (1892)