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- This hybrid seemed to combine the properties of both parental species. 这个杂种似乎兼具两个亲本树种的特征。
- If a variety were to flourish so as to exceed in numbers the parent species, it would then rank as the species. 如果一个变种的繁殖，超过它的亲种数量，它就会被列为物种。
- The parent species may survive indefinitely thereafter, or it may become extinct. 以后本家物种也许能继续存在，也许会灭绝，说不准。
- Infiltrator(#): Sir, lab reports indicate that all these green creatures are all from a parent species. 妙手：队长，实验室报告显示这些绿色异形都是从同一父代进化繁衍而来。
- Sometimes just a few individuals that migrate to an island, thus becoming isolated from the parent species, develop into a new species. 有时，正是移居到某一个岛上的几个个体，由于脱离了它们亲代，因而发育成为一个新种的。
- Sometimes just a few individuals that migrate to an island, thus becoming isolated from the parent species , develop into a new species . 有时，正是移居到某一个岛上的几个个体，由于脱离了它们亲代，因而发育成为一个新种的。
- Effective isolation between parental species and their hybrid derivatives plays an essential role in homoploid speciation for stabilizing a newly formed species. 杂种与亲本在时间、空间、生态环境和基因水平上的隔离，保证了杂种后代的分化和稳定，并逐渐形成新物种。
- An organism produced by genetic engineering,in which DNA from distinct parent species is combined to produce an individual with a double chromosome complement. 嵌合体在遗传工程中所产生的有机体，在此过程中将不同亲本种类的DNA结合起来产生具有双重染色体配对的个体。
- An organism produced by genetic engineering, in which DNA from distinct parent species is combined to produce an individual with a double chromosome complement. 嵌合体在遗传工程中所产生的有机体，在此过程中将不同亲本种类的DNA结合起来产生具有双重染色体配对的个体
- Second, genome duplication protects the genetic integrity of newly derived polyploids, but no such barrier prevents homoploid hybrids from back-crossing with their parental species. 但同倍杂合体物种没有这种屏障以阻止其与其亲本进行回交。
- The court is acting in loco parent. 正以家长地位行为的法院。
- Being a parent can be hard work. 当父母可是件辛苦的事。
- Do wolves belong to the canine species? 狼是犬科动物吗？
- He dare not do it for fear of parental rebuke. 他怕父母训斥，不敢为之。
- We should do our best to save endangered species. 我们应该竭尽全力挽救濒于灭绝的生物。
- Greed is the parent of many evils. 贪婪是万恶之根源。
- This rare bird has become an endangered species. 这种珍禽已成为濒临灭绝的物种。
- He was wearing a strange species of hat. 他戴着一种奇怪的帽子。
- The firm will be incorporated with the parent company. 这家公司马上就要同总公司合并。
- Mr Johnson's has decided to merge with the parent firm. 约翰逊先生的公司已决定和母公司合并。
