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NEET2019ZoologyEvolutionActual

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

Options

  1. ARandom and directional
  2. BRandom and directionless
  3. CSmall and directional
  4. DSmall and directionless

Correct answer

B. Random and directionless

Step-by-step solution

Hugo de Vries theory: 1. This theory is based on mutations. 2. Mutations cause evolution. 3. Mutations are random and directionless. 4. Sudden mutations cause evolution.

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