Since the clone sheep "Dolly" was born, the arguments about nuclear transplantation were never stopped.

自从核移植产生第一头克隆羊多莉以来，对其应用一直存在争议。

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You wonder why they can clone sheep but you can't dupe the cows.

你不明白为什么他们能克隆羊而你不能复制牛。

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We have the know how's of how to clone a cat, cattle, sheep and even a human being.

我们破解了人类基因组的密码﹐掌握了克隆小猫﹐小牛﹐绵羊﹐甚至人类的技术。

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Instead, they want to use somatic cell nuclear transfer, the same process used to clone Dolly the sheep in 1997, to create embryonic stem cells.

FORBES: Cloning's High Cost

Right now, scientists can only use stem cells to study particular diseases by creating embryos through the same process used to clone animals like Dolly the sheep.

FORBES: Stem Cell Science Heats Up

His role at the Roslin Institute in cloning Dolly the sheep, the world's first clone from an adult cell, led to an OBE in 1999 and he has been elected a fellow of five scientific academies worldwide.

BBC: Dolly the sheep creator knighted