File:Phylogenetic tree-zh-hant.svg
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Summary
| Description |
English: A phylogenetic tree of living things, based on RNA data and proposed by Carl Woese, showing the separation of bacteria, archaea, and eukaryotes. Trees constructed with other genes are generally similar, although they may place some early-branching groups very differently, thanks to long branch attraction. The exact relationships of the three domains are still being debated, as is the position of the root of the tree. It has also been suggested that due to lateral gene transfer, a tree may not be the best representation of the genetic relationships of all organisms. For instance some genetic evidence suggests that eukaryotes evolved from the union of some bacteria and archaea (one becoming an organelle and the other the main cell).
中文（繁體）：這是一棵基於RNA資料的和由卡爾·霍斯提出的生命系統發生樹。這棵發生樹分為三個分支：細菌、古菌和真核生物。雖然由其他基因構成的發生樹對於早期分支的分類很不相同，但是由於長分枝吸引，使得他們大體上是相同的。按照樹根現在的位置，三域的確切關系還在辯論當中。曾經有人建議，因為橫向基因轉移，一棵發生樹未必能最好體現所有生物體的基因關系。例如，有些遺傳學的證據表明，真核細胞是進化自一些細菌和古菌（一種作為細胞器，另一種作為細胞主體）的結合體。 |
| Date | |
| Source | https://en.wikipedia.org/wiki/File:Phylogenetic_tree.svg |
| Author | NASA Astrobiology Institute |
| Other versions |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 06:06, 15 February 2019 | | 1,837 × 994 (22 KB) | Wleungnk | User created page with UploadWizard |
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