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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 | |