Little Red Riding Hood continued skipping along the path.小红帽继续蹦蹦跳跳地沿着小路走.What will I do? thought Little Red Riding Hood.“我该怎么办? ”小红帽心想.Why is your home so dark, Granny? asked Little Red Riding Hood.“奶奶,你家里怎么这么那么黑 呀 ?”小红帽...
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...