Baby macaques are the first primates to be cloned like Dolly the Sheep

Zhong Zhong and Hua Hua result from decades of trying to make somatic cell nuclear transfer work in monkeys

genetically identical cloned monkeys

DOUBLE TROUBLE  Cloned macaque sisters Zhong Zhong and Hua Hua, the first primates successfully cloned via somatic cell nuclear transfer, are just 8 and 7 weeks old, respectively.

Qiang Sun, Mu-ming Poo/Chinese Academy of Sciences

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