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#Question id: 5829


Transitions are base pair substitutions where:

#Unit 8. Inheritance Biology
  1. replacement of a purine with a pyrimidine

  2. replacement of a pyrimidine with a purine

  3. deletion of a purine or a pyrimidine

  4. replacement of a purine with a purine or a pyrimidine with a pyrimidine


Answer:- Option(s): 4


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