| 1. | Mutation are produced by a number of chemicals .
许多化学试剂能产生突变。 |
| 2. | Extremely mutable sites are called "hot spots" .
极端可突变的位置称为“热点”。 |
| 3. | Other authors used mutants in their experiments .
其他作者在试验中使用了突变型。 |
| 4. | Her fears had always been on the alert for an upheaval .
她日夜提心吊胆，严防突变。 |
| 5. | There was a sudden change in the weather .
天气突变。 |
| 6. | We can assume the load dispersion discontinuity lines .
我们可以假设荷载分布的突变线。 |
| 7. | Spontaneous and induced mutation occur with animals viruses .
动物病毒的突变有自发突变和诱发突变。 |
| 8. | These sudden changes in absorption are referred to as "absorption edges. "
吸收中的这些突变称为“吸收限。” |
| 9. | If the heterocaryon does grow then the mutations are probably non-allelic .
如果异核体能够生长，那么突变就可能是非等位的。 |
| 10. | Suppression is called intragenic when both mutations are within the same gene .
两个突变发生在同一基因内的抑制，叫基因内抑制。 |
