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- What are two common applications of DNA fingerprinting?What is DNA fingerprinting? Mention its application.Just like actual fingerprints, DNA fingerprints are unique to most individuals (other than identical twins). Today, most police departments in the United States use DNA fingerprints as a criminal investigation tool. What is another application of DNA fingerprints? O A. Identifyipg a person's personality traits O B. Identifying the father of a child O C. Identifying the sex of a future, not conceived offspring O D. Determining if a person has consumes genetically engineered plants