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#Question id: 5753


A bacterial histidine mutant was plated on minimal medium and a single colony grew. You decide to sequence the histidine biosynthetic gene of the revertant and discover that the original mutation is still present.  This colony must have been able grow due to a

#SCPH06 I Botany
  1. forward mutation

  2. suppressor mutation

  3. auxotrophic mutation

  4. back mutation


Answer:- Option(s): 2


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