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(THE CONVERSATION) It’s been 20 years since scientists in Scotland told the world about Dolly the sheep, the first mammal successfully cloned from an adult body cell. What was special about Dolly is that her “parents” were actually a single cell originating from mammary tissue of an adult ewe. Dolly was an exact genetic copy of that sheep – a clone. Dolly captured people’s imaginations, but those of us in the field had seen her coming through previous research. I’ve been working with mammalian embryos for over 40 years, with some work in my...
