Alice and Jane are identical twins. Alice has been diagnosed with schizophrenia. According to twin studies, Jane has roughly a _____ percent risk of developing schizophrenia at some point in her life.

Question

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Twin studies have shown that if one identical twin has schizophrenia, the other twin has about a 50% chance of developing the disorder as well, due to their shared genetic makeup.

Alice and Jane Are Identical Twins