Complex sentence: The resulting zygotes were implanted in a woman and gestated by her, with the result that although both have the same mother and genetic parents, they are no more closely related genetically than any two people taken at random.
Split into simpler sentences: The resulting zygotes were implanted in a woman and gestated by her. Although both have the same mother and genetic parents, they are no more related genetically than any two people taken at random.