克隆动物在帮助人类这方面有着巨大的潜力。
Cloning animals has tremendous potential for helping people.
英国的一个小组率先克隆动物成功。
A team from the UK were the first to successfully clone an animal.
克隆动物的实质是细胞分化过程的逆转。
The essence of animal cloning is an adverse process of cell differentiation.
今天，人类已经能够克隆动物，能够移植器官；
科学家们已经能够克隆动物，那他们是否可以克隆人类？
We already know that scientists can clone animals, but what about humans?
世界上还根本没有足够的克隆动物用来进行有效的比较。
There are simply not enough clones in the world to make valid comparisons.
他们也在进行动物克隆试验。
但事实上，想要克隆绝种动物，我们还要很长的路程要走。
But in fact we are a long way from being able to clone extinct animals.
克隆物与母本动物或植物完全相同。
他说他的组织拥有高于30%的动物克隆的成功率。
He said his organization has had an animal-cloning success rate of more than 30 percent.
此外，克隆已经在自然的动物和微生物的存在。
Besides, clone have already existed in natural animal and microbe.
他说他的组织拥有高于30%的动物克隆的成功率。上一篇文章：试管婴儿有风险吗？
He said his organization has had an animal-cloning success rate of more than 30 percent.
反对的理由：克隆的动物易生病早死；
动物真的可以克隆吗？
这时，大多数克隆鼠、羊和其他动物都在出生前死掉了。
At the moment, the majority of cloned mice, sheep and other animals die before birth.
这时，大多数克隆鼠、羊和其他动物都在出生前死掉了。
At the moment, the majority of cloned mice, sheep and other animals die before birth.
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