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cloningwarminguppowerpoint97-2003幻燈片-wenkub

2023-01-18 23:11:04 本頁面
 

【正文】 或成體動物的細胞核,經(jīng)顯微手術(shù)和細胞融合方法移植到去核卵母細胞中,重新組成胚胎并使之發(fā)育成熟的過程。這樣,克隆一詞就開始被用作動詞,指人工培育克隆動物這一動作。Cloning Warming up Cloning What’s cloning? 克隆 一詞是英文單詞 clone的音譯,作為名詞, clone通常被意譯為無性繁殖系。 人們開始探索用人工的方法來生產(chǎn)高等動物克隆。克隆動物,采用的都是細胞核移植技術(shù)。 What animals have been cloned? Scientists have been cloning animals for many years. The creation of Dolly is the first mammal cloned from the cell of an adult animal. Since Dolly, researchers have cloned a number of large and small animals including sheep, goats, oxen, mice, pigs, cats, rabbits and so on. All these clones were created using nuclear transfer technology (細胞核移植技術(shù) ).
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