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NEET2005ZoologyPrinciples of Inheritance and VariationActual

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

Options

  1. APisum sativum
  2. BDrosophila melanogaster
  3. COenothera lamarckiana
  4. DAlthea rosea.

Correct answer

C. Oenothera lamarckiana

Step-by-step solution

Hugo de Vries conducted his experiments on Oenothera Lamarckiana, (Evening Primrose) and found several aberrent types. He suggested that new types of inherited characteristics may appear suddenly without any previous indication of their presence in the race.

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