1.

In case of mixing his+ leu- strain with his- leu+ strain we can see that the auxotroph behaves as prototroph for these two genes. This is because of________________

A. One is synthesizing one amino acid and giving it to the other type
B. They fuse to form similar diploid bacteria
C. Both will have the same genetic composition at the end
D. They share the RNA by extracellular processes
Answer» D. They share the RNA by extracellular processes


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