Schizophrenia is a devastating form of psychological disorder characterized by disturbances in perception, thinking, emotions and behavior. Perception and behavior are so disturbed that a person is not able to function normally. Symptoms are hallucinations, disorientated behavior, misconceptions, unorganized thinking. One of the main causes of schizophrenia is genetics. However, scientific studies have proven that apart from the genetic factor, the development of schizophrenia is influenced by the conditions of the environment in which the person lives, and that the combination of genetic factors and environmental conditions that leads to the development of schizophrenia.
The answer is: d.