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Who observed the mutants of evening primrose plants?

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In 1901 the observation of mutants, or sports, among evening primrose plants led the Dutch botanist Hugo de Vries to present his theory that new characteristics may appear suddenly and that these characteristics are inheritable; before this time the sources of evolutionary variation were not known and some still believed that evolution resulted from a gradual selection of favorable acquired characteristics .

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Similar questions: Who was Hugo de Vries? What did Hugo de Vries study? Where was Hugo de Vries from? Who theorized that new characteristics may appear suddenly and that these characteristics are inheritable? [ Hide these questions ]

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