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Biology · PYQ NEET UG 2019(1)

हिन्दी

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

  1. small and directional
  2. small and directionless
  3. random and directional
  4. random and directionless

Correct answer · Option 4

random and directionless

Explanation

Hugo de Vries believed mutations are random and directionless, causing sudden single-step large mutations known as saltation.
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