Part 1 of Essay
is a mental disorder marked by the loss of contact with reality. When a person's thinking, feeling, and behavior is abnormal, it interferes with his or her ability to function in everyday life. Delusions, hallucinations, and irregular thinking and emotions are produced. If these signs are present, he or she may have the ....

Part 2 of Essay
.... parent. In corresponding locations called loci of each chromosome, the genes for specific traits are located. Some researchers believe that mutations with these genes can cause . We inherit our genes from our parents, but this does not mean that the parents of a schizophrenic are mentally ill. Problems in a person’s genetic make up could come from mutated chromosomes or recessive genes. In an attempt to prove this theory, scientists study identical twins. Due to the fact that identical twins have identica ....