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      Question

      Heterosis results from the masking of harmful effects

      of recessive alleles by their dominant alleles
      A Gene-for-gene hypothesis Correct Answer Incorrect Answer
      B Recessive hypothesis Correct Answer Incorrect Answer
      C Dominance hypothesis Correct Answer Incorrect Answer
      D Over dominance hypothesis Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      The correct answer is C

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