Jisho

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かくせいいでん 隔世遺伝
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Noun, Noun which may take the genitive case particle 'no'
1. atavism; throwback; reappearance of an earlier characteristic; skipping a generation; reversion to ancestral type​Yojijukugo (four character compound)
Wikipedia definition
2. Atavism​Atavism is the tendency to revert to ancestral type. In biology, an atavism is an evolutionary throwback, such as traits reappearing which had disappeared generations before. Atavisms can occur in several ways. One way is when genes for previously existing phenotypical features are preserved in DNA, and these become expressed through a mutation that either knock out the overriding genes for the new traits or make the old traits override the new one.
Read “Atavism” on English Wikipedia
Read “隔世遺伝” on Japanese Wikipedia
Read “Atavism” on DBpedia

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