Genetics prob from book that I cant get (probability type)

[BruceZ]

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[img]/images/graemlins/grin.gif[/img] You don't think its safe to say that people without the disease don't have symptoms?

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That would depend on the symptoms. If the symptoms are an occasional runny nose, then almost everyone without the disease would have this symptom. People can show symptoms of a disease without having a disease, or they could have a different disease. Google munchausen.