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人教版英语选修八《Unit 2 Cloning Learning about Language》优质课ppt课件
female sheep B
an egg cell 有核卵细胞
nucleus细胞核
an egg cell
a somatic
cell 躯干细胞
nuclues
The nucleus from sheep B and egg cell from sheep A are joined using electricity
The cell divides and grows into an eimbryo
The embryo is put into female sheep C, who becomes the carrier of the clone
give birth to
a cloned sheep
cloning
carriers