A-A+
A．It makes a clone from an ordinary adult cel
问题详情
A．It makes a clone from an ordinary, adult cell.
B．It makes the first normal and healthy cloned animal.
C．It paves the way to the cloning of human beings.
D．It makes a cloned animal with only mother.
参考答案
正确答案：A
解析：此题考查多利羊出世在技术上有何突破，关键词是breakthrough,否则很可能想当然地选择其他选项。
