Nowadays, our modern life is becoming more comfortable and safe because of DNA (deoxyribonucleic acid). DNA is a genetic code that is made up of four chemical bases namely, adenine (A), guanine (G), cytosine (C) and thymine (T). Our body consists of about 3 billion bases and almost everyone has 99 percent of the same bases. Some organizations such as the Federal Bureau of Investigation, uses DNA and to help find and convict criminals. It is time-consuming to check and match DNA samples, but this can help the authorities to apprehend the real culprit. In the past, fingerprints, blood and other bodily materials in the scene of an offense were used by detectives in their investigation to catch and put criminals in prison but they were not foolproof methods. Wrongful convictions followed. But DNA …show more content…
Today, arguments for and against the use of DNA have surfaced.
DNA profiling is the technology that uses the individual’s DNA characteristics. Each human has his own DNA, comprising 99.9% of the same DNA but scientists have found the remnant 0.1% difference. One of its benefits is that scientists are using this crucial distinction to find criminals from bodily fluid samples, hair, skin and other parts of the body. (sciencemuseum, 2016)
DNA also has another advantageous application; it is used to find biological family relationships. In a Korean drama, the writer includes in his plot problems surrounding a family conflict. The father or the son gives his DNA sample such as found in his hair or toothbrush to the forensic scientists. Then, they