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Cell Differentiation: The Search for the Organizer
- 1982 ----- color ----- 15 min ----- 16mm
- When do permanent differences appear among an embryo's cells? Embryologist Hans Spemann, in a series of brilliant experiences that he thought of as "conversations," induced a tiny embryo to "hear" certain questions and discovered. Finding additional clues in embryologist Walter Vogt's "fate map," Spemann discovered the "organizer,"--that group of cells that differentiates first and then induces the differentiation of other cells around it. In this duplication of Spemann's experiments, we see the remarkable results of his conversations with an embryo that won him a Nobel prize.
- Topics: (Biology, Genetics, Microbiology)
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