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Question
de Vries gave his mutation theory on organic evolution while working on ______.
Options
Pisum sativum
Drosophila melanogaster
Oenothera lamarckiana
Althea rosea
MCQ
Fill in the Blanks
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Solution
de Vries gave his mutation theory on organic evolution while working on Oenothera lamarckiana.
Explanation:
Hugo de Vries based his mutation theory on observations of the evening primrose Oenothera lamarckiana. The other organisms were not the basis of this theory.
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