Dolly is exactly the same as an ordinary lamb. Among the three mentioned the sheep cloned from a I-day old embryonic cell is th

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问题 Dolly is exactly the same as an ordinary lamb.
Among the three mentioned the sheep cloned from a I-day old embryonic cell is the youngest.

选项 A、Right
B、Wrong
C、Doesn’t say

答案A

解析见第三段最后一句。

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