To map 100 mutants by this method would necessitate nearly 5,000 crosses.用这种方法来绘制100个突变型的遗传图就要做5000个杂交.Aspergillus Oryzae mutants . High pressure seems an efficient approach for mutagenesis.继各种化学制剂、各种射线诱变等方法之后, 高压不失为一种行之...
The past few days had been banished from his mind.他现在已经不再去想过去的这几天了。Safire writes hilariously of being banished from presidential favor.萨菲尔笔锋幽默，描写了自己没能博取总统好感的事。I was banished to the small bedroom upstairs.我被赶到了楼上的小卧室。...