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Variations caused by mutation, as proposed by Hugo de Vries are:

  1. A
    random and directional
  2. B
    random and directionless
  3. C
    small and directional
  4. D
    small and directionless

Solution & Step-by-step Explanation

Hugo de Vries based his mutation theory on Oenothera lamarckiana. He proposed that mutations are random and directionless, occurring suddenly (saltation). In contrast, Darwinian variations are small and directional.

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Variations caused by mutation, as proposed by Hugo de Vries are:
A
random and directional
B
random and directionless
C
small and directional
D
small and directionless

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