1.

In a transduction experiment where the recipient is Met-, Ala-, Gal- you observe a recombinant phenotype Met+, Gal+ in some strains and Gal+ Ala+ in some strains. But in none of the cases can you find Met+ Ala+. What is the sequence of the gene?

A. Met, Ala, Gal
B. Met, Gal, Ala
C. Gal, Met, Ala
D. Gal, Ala, Met
Answer» C. Gal, Met, Ala


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