Two F⁺ E Coli Strains Are Co-Cultured in the Same

question 9

Multiple Choice

Two F⁺ E coli strains are co-cultured in the same flask.One is Str^r Thr⁺ and the other is Gen^r Thr^-.The culture is then plated on minimal media that is supplemented with gentamycin only and a few colonies grow.What sort of genetic exchange is most likely occurring?

• A)Transformation
• B)Conjugation
• C)Transduction
• D)Electroporation

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