Nucleus removed
Nucleus containing DNA extracted
Egg taken from female sheep B
Born to sheep C, the lamb, Dolly, is a clone of sheep A
Egg develops into an embryo, which is placed in the uterus of sheep C
Nucleus and egg fused together
Cell taken from female sheep A
Nucleus removed
Egg taken from female sheep B
Egg develops into an embryo, which is placed in the uterus of sheep C
Nucleus and egg fused together
Nucleus containing DNA extracted
Born to sheep C, the lamb, Dolly, is a clone of sheep A
Cell taken from female sheep A