Hugo de Vries's mutation theory of organic ev | vedclass

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(C) Hugo de Vries, a Dutch botanist, proposed the mutation theory of evolution in $1901$. He conducted his experiments on the evening primrose, scient

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Oenothera lamarckiana

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(C) Hugo de Vries, a Dutch botanist, proposed the mutation theory of evolution in $1901$. He conducted his experiments on the evening primrose, scientifically known as $Oenothera$ $lamarckiana$. He observed sudden, heritable changes in the phenotype of these plants, which he termed as 'mutations'. Unlike Darwin's theory, which emphasized small, continuous variations, de Vries proposed that evolution is a saltatory process caused by large, discontinuous variations (mutations).

Hugo de Vries's mutation theory of organic evolution was proposed while working on:

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