Dolly was the only lamb born from 277 fusions of oocytes with udder cells.
Dolly was the only lamb born from 277 fusions of oocytes with udder cells.
多利是277组卵母细胞和乳腺细胞的配对中唯一克隆成活的。
Dolly was the only lamb born from 277 fusions of oocytes with udder cells.
多利是277组卵母细胞和乳腺细胞的配对中唯一克隆成活的。