Nature and Nurture: Identical Siblings

nature and nurture claim I claim that there is a clear line between nature and nurture when we talk identical siblings and how they grow and how they act as a person later in life. I have seen different types of evidence for identical siblings there was taken away from each other when they were babies until they met later in life by accident otherwise none of them will never ever know they got an identical twin(s), which I mean is an aesthetic problem because no one other than the scientists and the people at the adoption office, really know