| 1. | Antibiotics favor the growth of resistant mutants .
抗菌素促成耐药变种的生长。 |
| 2. | Other authors used mutants in their experiments .
其他作者在试验中使用了突变型。 |
| 3. | 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。 |
| 4. | They went on to isolate a series of revertants from several secondary mutants .
它们进一步从几个第二次突变型中分离出一系列的回复子。 |
| 5. | Autotrophic mutants were prepared from six different stocks of a special group .
自养突变体是从一个特别类群的6个不同的原种菌系制备的。 |
| 6. | An osmotic mutant of neurospora was permeable to polymers of molecular weight 18500 .
脉孢壳属的渗透突变体能透过分子量为18500的聚合物。 |
| 7. | When the cells were then shifted to an enriched medium, the mutant cells proliferated .
然后，当细胞移入一种滋养培养液时，突变型细胞增殖。 |
| 8. | Inhibition of chlorophyll synthesis may be caused by etiolation, mutant blocks, or streptomycin .
叶绿素合成可以由黄化、突变性阻塞或链霉素而引起。 |
| 9. | By using the complementation test an unknown mutant can be rapidly assigned to a particular gene .
采用互补测验可迅速地将某一未知突变型归属于某一特定基因。 |
| 10. | They were able to confirm which pairs of mutants were allelic and which were not by using the heterocaryon test .
他们通过异核体测验可以确定哪些突变型是等位的，哪些是非等位的。 |
