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Born in Chicago, Illinois
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undergraduate degree in A.B. in Liberal Arts
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married the famous astronomer Carl Sagan
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She received her M. S. degree in genetics and zoology
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Received her Ph.D. in Genetics
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Carl Sagan
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Where she was working when she did her pioneering work on cellular evolution and the endosymbiotic theory.
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Where she stated eukaryotic cells evolved through a series of symbiotic partnerships
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published her argument in The Origin of Eukaryotic Cells
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died of a hemorrhagic stroke