| 1. | At the outset they must contain several ramets of every selected clone . 在开始时每个入选无性系必须包括几个无性繁殖后代。 |
| 2. | Individuals crossing exclusively within the same population produce more progeny than those crossing in both directions and thereby use up some of their gametes for the production of inviable hybrids . 完全在同一种群内进行杂交的个体比以两个方向进行杂交的个体繁殖后代要多,因此为了产生无生机的杂种,就要消耗掉一些配子。 |
| 3. | Do you know that crocodiles reproduce by laying eggs 你知道鳄鱼是产卵繁殖后代吗 |
| 4. | Insects propagate themselves by means of eggs 昆虫以产卵繁殖后代。 |
| 5. | An individual that has starved to death is not one that can reproduce 饿死的动物是无法繁殖后代的。 |
| 6. | In this case , prolongation of life should trump reproduction 既然这样,延长生命就比繁殖后代来得重要。 |
| 7. | Chemotherapy , aftrer all , kills cells that grow , and growth is what the apparatus of reproduction is all about 因为化疗会杀死繁殖的细胞,而生育器官的主要功能即在于繁殖后代。 |
| 8. | " so naturally divergent cats were found and then bred so there is really no modification of the gene . “所以我们找出这些有自然差异的猫,再用他们繁殖后代。这不是人为地转变基因。 ” |
| 9. | " so naturally divergent cats were found and then bred so there is really no modification of the gene . “所以我们找出这些有自然差异的猫,再用他们繁殖后代。这不是人为地转变基因。 ” |
| 10. | The reproductive system differs very much in male and female . the major function of the reproductive system is for the production of offspring 男性与女性生殖系统的构造有极大的分别。生殖系统的主要功用就是繁殖后代。 |