True cloning, as first shown with Dolly the sheep two years ago, involves taking a developed cell and reactivating the genome within, resetting its developmental instructions to a pristine state.

• 真正的克隆技术最初体现在两年前首次露面的多莉羊身上； 它是取自一个发育完整的细胞，之后重新激活其内的基因组，把这个细胞发育的指令重新调到原始状态。