You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is True statements are all except: and explain in detail?
1.) The gene encoding for MHC molecules are clustered on small segment of chromosome 6. 2.) MHC II molecules are present on all the APC's (Antigen Presenting Cells), and Monocyte are type of Antigen Presenting cell. 3.) Class III is present adjacent to Class I and Class II. 4.) Class III encodes for complement protein.