n.返祖（隔代）遗传

The reappearance of a trait that has been absent for several generations in a family is an example of atavism.
几代人之后在家族中重新出现的一种特征是返祖现象的例子。
Some scientists believe that the development of webbed fingers in certain humans could be an atavism from our aquatic ancestors.
一些科学家认为，在某些人类身上发育出蹼状手指可能是我们水生祖先的返祖现象。
The growth of tails in human fetuses, which usually disappear by the eighth week, can be seen as an atavistic throwback to our primate heritage.
人类胎儿生长的尾巴通常在第八周时就会消失，这可以被看作是对我们灵长类祖先的一种返祖现象。
In some cases, a person may exhibit an atavism such as teeth growing behind their adult molars, similar to those of their distant reptilian ancestors.
在某些情况下，一个人可能会表现出一种返祖现象，如在他们的成年磨牙后面长出牙齿，类似于他们远古爬行动物祖先的情况。
The presence of functional wings in some otherwise flightless birds, like the kiwi, is often considered an atavism.
如几维鸟这类原本不会飞的鸟类身上出现功能性翅膀的现象常常被认为是返祖现象。
Some genetic mutations in mammals, leading to the growth of extra digits or limbs, can be interpreted as atavisms related to previous evolutionary stages.
哺乳动物的一些基因突变导致额外的手指或肢体生长，可以解释为与先前进化阶段相关的返祖现象。
Atavisms in plants, like the occasional appearance of fern-like structures on pine trees, highlight the deep connection between plant lineages.
植物中的返祖现象，比如松树上偶尔会出现类似蕨类植物的结构，强调了植物谱系之间深厚的关系。
The presence of hind legs in whales, though vestigial and non-functional, is an atavism that provides evidence of their terrestrial past.
鲸鱼虽具有退化的、非功能性的后腿，但这是一个返祖现象，为它们曾经的陆地生活提供了证据。
Certain species of snakes have been known to develop leg-like appendages, an atavism that echoes their lizard-like forebears.
某些蛇类已知会发展出类似腿的附属器官，这是一种与蜥蜴类祖先相呼应的返祖现象。
The reemergence of once-extinct animal populations, like the Pyrenean ibex, through cloning is not technically an atavism but it does involve the resurrection of a previously lost lineage.
通过克隆技术使一度灭绝的动物群体（如比利牛斯野山羊）重新出现，并不是严格意义上的返祖现象，但它确实涉及到了以前丢失血统的复活。