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生物分类方法——域

2017-05-21 20:55:29| 分类：生物信息 | 标签： |举报 |字号大中小订阅

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1996年，当古细菌和真细菌的全基因组DNA序列进行比较时，它们之间的差别更令人震惊。古细菌与真细菌之间的差异就像真细菌与真核生物之间的差异那样大。认识到这一点，生物学家立刻采用了一种新的分类方法——域。一种在分类层次上高于界的分类单元，将生物界划分成3个域。

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