Which of the Following Statements Is FALSE

Which of the following statements is FALSE?

A) Researchers are trying to track down the single gene they believe is responsible for the specific symptoms of schizophrenia, including hallucinations, flat emotions, and impoverished speech.
B) Although neurotransmitter abnormalities occur in the brains of schizophrenic patients, they also occur in the brains of those with depression and alcoholism.
C) During adolescence, when the brain undergoes a natural pruning of synapses, schizophrenic brains aggressively prune away too many synapses.
D) Babies conceived during times of famine are more likely to develop schizophrenia than babies whose mothers were not malnourished during pregnancy.