試題詳解

15. In a hypothetical situation, the genes for sex pilus construction and for tetracycline resistance are located together on the same plasmid within a particular bacterium. If this bacterium readily performs conjugation involving a copy of this plasmid, then the result should be ____.
(A) the rapid spread of tetracycline resistance to other bacteria in that habitat.
(B) the subsequent loss of tetracycline resistance from this bacterium.
(C) the production of endospores among the bacterium's progeny.
(D) the temporary possession by this bacterium of a completely diploid genome.
(E) a transformed bacterium.