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大肠杆菌A菌株（met-bio-thr+leu+）和B菌株（met+bio+thr-leu-）在U型管实验培养后出现了野生型（met+bio+thr+leu+）,证明了这种野生型的出现可能属于（ ）。
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大肠杆菌A菌株（met-bio-thr+leu+）和B菌株（met+bio+thr-leu-）在U型管实验培养后出现了野生型（met+bio+thr+leu+）,证明了这种野生型的出现可能属于（ ）。
A、接合
B、转化
C、性导
D、都不是
时间：2021-09-01 20:41
关键词：
联大
河南科技大学
护理学
普通遗传学
答案解析
B
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