Question: Which of the following statements best explains why identical twins, who share 100% of their DNA, do not always both develop schizophrenia? Need Assignment Help?
A. Schizophrenia is solely caused by environmental factors. B. Gene expression is identical in all individuals with the same DNA. C. The onset of schizophrenia is influenced by both genetic and non-genetic factors such as psychosocial stress and epigenetics. D. Identical twins always experience the same life events, so their risk is always equal.