This invention is directed to a protocol and design for an apparatus to analyze the distribution and/or ratio of Thymine, Cytosine, Adenine and Guanine of a DNA sequence from a target organism. The result is then used to determine the possible impact the target organism may have in a host such as a human body. The goal is to provide an effective way to diagnose diseases such as infectious diseases, to test the safety of food and drugs, and therefore to create natural and effective solutions for health care and food supply. For example, a DNA analysis method configured according to the invention receives a DNA sequence input and converts it into a reassembled sequence. A result based on the reassembled sequence may then be output.