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親緣關係學

早年所畫嘅樹

親緣關係學生物學一門,演化生物學一門,研究生物演化品種之嘅關係同演化史,喺邊個位分支出來。現今研究對比品種遺傳基因,求出品種特徵在所嘅基因,求出品種之間演化關係。有咗關係,就可畫出親緣樹,有如族譜一樣,以顯示進化分支。

現今分類學,都利用親緣關係學去分類,咁同傳統分類未必相同,甚至大大改變。

[編輯]

英文寫為Phylogenetics。前半取自希臘文φυλή ,音phylé,以及 φῦλον ,音phylon,意謂 族、種、親族。後半取自希臘文γενετικός ,音 genetikós,意謂起源、來源、誕生。

親緣關係學有唔同叫法,有譜系學系統學系統發育學種系發生學等。


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親緣關係學
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