If Two Different Auxotrophic Strains Are Placed in a Liquid

question 6

Multiple Choice

If two different auxotrophic strains are placed in a liquid medium culture tube,prototrophic strains can sometimes be subsequently recovered.Choose the mechanism below that would not allow this genetic change.

• A)conjugation
• B)transduction
• C)genetic suppression
• D)transformation
• E)reverse mutation

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