| 1. | Mutation are produced by a number of chemicals .
许多化学试剂能产生突变。 |
| 2. | 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。 |
| 3. | 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。 |
| 4. | 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。 |
| 5. | Both frameshift and missense mutations can be suppressed by intragenic suppressors .
移码突变和异义突变都能被基因内抑制基因所抑制。 |
| 6. | So far the discussion has centered entirely around mutation in the strict sense .
到目前为止，严格来讲，讨论完全集中于围绕突变问题上。 |
| 7. | Genetic effects include inheritable changes resulting from mutations in reproductive cells .
遗传的影响包括再生细胞变异引起的遗传变化。 |
| 8. | It was impervious to the shocks and mutations of timeit was an emblem of time itself .
它不受时代的冲击或变迁的影响，它自己就是时间的象征。 |
| 9. | In the narrow sense, the hypothesis implies that mutations in genes result in mutations in enzymes .
在狭义上说，这一假说表示基因突变的结果导致酶的突变。 |
| 10. | The physical conditions of each country, as well as the numbers and kinds of its inhabitants, have undergone many mutations .
每一地域内的物理条件和土著生物的种类与数目，都是曾经多次变动。 |
