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Question

De Vries gave his mutation theory on organic evolution while working on

A
Oenothera lamarckiana
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B
Drosophila melanogaster
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C
Pisum sativum
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D
Althara rosea
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Solution

The correct option is A Oenothera lamarckiana
De Vries gave his mutation theory on organic evolution while working on Oenthera lamarckiana (evening primrose). This species was important to the study of genetics, the debate about the cause of evolution, whether that was natural selection or one of the alternatives such as mutationism.

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