Hugo de Vries did his experiments on the plant

Pisum sativum

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Oenothera lamarkiana

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Mirabilis jalapa

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Limim usittatissimum

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Solution

The correct option is A Oenothera lamarkiana
Hugo de Vries did his genetic experiments with Oenothera lamarkiana (evening primrose) and gave the "theory of mutation".
Pisum sativum was experimental plant used by Gregor Mendel who proposed the laws of inheritance.
Studies on Mirabilis jalapa showed the exception to the law of dominance as the plant shows incomplete dominance for some characters.

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