Enos and Amir are both currently 30 years old. Enos' biological mother has schizophrenia, but neither of his adoptive parents have the disorder. In contrast, neither of Amir's biological parents have schizophrenia, however his adoptive mother has schizophrenia. Based on research that has investigated the role of genetic vulnerability in schizophrenic disorders, you should predict that

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Research has shown that having a biological parent with schizophrenia increases an individual's risk of developing the disorder, even if they are adopted and raised by non-schizophrenic parents. In Enos' case, he does have genetic vulnerability through his biological mother, but this is not as strong of a risk factor as having a biological parent with the disorder. In Amir's case, he does not have genetic vulnerability through his biological parents, but having an adoptive mother with schizophrenia puts him at a higher risk. Therefore, Enos is at a slightly increased risk while Amir is at a higher risk for developing schizophrenia.

Enos and Amir Are Both Currently 30 Years Old