An egg is taken from an animal, and is then fertilised in a dish with the sperm of a male animal. Each embryo is allowd to develop in the dish to the eight cell stage. The embryo then splits into four 2-pair cell embryos. New embryos then develop into eight cells. Each then inserted into a surrogate mother. Embryos develop inside the surrogate mother and the new animal is born.
The offsprng are genetically identical to each other, but not to the parents
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