For most mental illnesses and behavioral disorders,like alcoholism and clinical depression,the genetic contribution can best be described as

Question

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Mental illnesses and behavioral disorders are typically influenced by multiple genes (polygenic) rather than a single gene or pair of genes. This means that it is not simply a matter of having a specific "defective" gene or two, but rather a combination of many genetic variations, each contributing a small amount to the overall risk. Environmental factors also play a significant role in the development of these conditions.

For Most Mental Illnesses and Behavioral Disorders,like Alcoholism and Clinical