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Question
De Vries gave his mutation theory on organic evolution while working on -
De Vries gave his mutation theory on organic evolution while working on -
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Solution
The correct option is A Oenothera lamarckiana
De Vries gave his mutation theory on organic evolution while working on Oenothera lamarckiana. Oenothera lamarckiana is an annual plant commonly called as evening primose. De Vries in his experiment observed that original plant showed some offsprings with different phenotypes. These mutations were passed from offsprings to their progeny. However, late it was observed that the variations were due to chromosomal segregations and not due to mutations.Thus, the correct answer is 'Oenothera lamarckiana.'
De Vries gave his mutation theory on organic evolution while working on Oenothera lamarckiana. Oenothera lamarckiana is an annual plant commonly called as evening primose. De Vries in his experiment observed that original plant showed some offsprings with different phenotypes. These mutations were passed from offsprings to their progeny. However, late it was observed that the variations were due to chromosomal segregations and not due to mutations.
Thus, the correct answer is 'Oenothera lamarckiana.'
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