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Summary
"Cells are, in a sense, just tiny bags of chemicals--so what 'instructs' them to divide and function? This program shows how biologists addressed the question during the 19th and 20th centuries. Starting with Friedrich Miescher's discovery of nuclein, or DNA, the film examines Theodor Boveri's work with sea urchins, which clarified the role of chromosomes, as well as Thomas Hunt Morgan's study of inheritance in fruit flies and his introduction of...