Welcome to Westonci.ca, the place where your questions find answers from a community of knowledgeable experts. Get accurate and detailed answers to your questions from a dedicated community of experts on our Q&A platform. Experience the ease of finding precise answers to your questions from a knowledgeable community of experts.

Saying that schizophrenia has a genetic basis means that:
A. Schizophrenia is solely caused by genetic factors.
B. Environmental factors play a minor role in the manifestation of schizophrenia.
C. A twin of a schizophrenic person has a greater than average chance of developing schizophrenia.
D. Schizophrenia is solely caused by social factors.