Q173 / 200 · NEET 2005 · Zoology

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

  • A
    Pisum sativum
  • B
    Drosophila melanogaster
  • Correct answer
    C
    Oenothera lamarckiana
  • D
    Althea rosea.

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.

Hence, the correct answer is option: 'C'.

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