If an identical twin has schizophrenia,the co-twin's chances of being similarly affected are only 1 in 10 if they had different

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Quizplus · Accepted Answer

Identical twins share the same DNA and genetic predispositions, but if they have separate placentas, they may have different prenatal environments which can influence the development of schizophrenia. Dietary supplements, educational opportunities, and childhood friends may be important factors in overall health and well-being, but they are unlikely to have as strong an influence on the development of schizophrenia as genetic and prenatal factors. Therefore, the co-twin's chances of being similarly affected by schizophrenia are most strongly influenced by whether or not they shared a placenta with their affected twin.

If an Identical Twin Has Schizophrenia,the Co-Twin's Chances of Being