1.  reversion
2.  throwback
3.  atavism
4.  atavistic heredity

• 1. 返祖: throwback | reversion | atavistic | atavism
• 2. 返祖遗传: reversion | cry back | revert | atavism
• 3. 返祖现象: cry back | throwback | atavism | atavistic process

更多释义

• 1.换句话说，鼹钝口螈的变态是一种返祖现象。
  In other words, metamorphosis in mole salamanders is an atavism.
  dict.yoduao.com
• 2.如果多洛定律是正确的，返祖现象应该很少发生。
  If Dollo's law is right, atavisms should occur only very rarely.
  dict.yoduao.com
• 3.进化返祖现象不仅有可能，有时还在进化的发展中扮演重要的角色。
  Not only are evolutionary throwbacks possible, they sometimes play an important role in the forward march of evolution.
  dict.yoduao.com

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