DNA plays a very significant role in the field of forensic science. During any criminal investigation, the DNA can reveal the prime guilt or the innocence of a person. The smaller pieces of evidence collected from the crime scene is sufficient for finding out the hint regarding a criminal.
Some of the evidence from which the DNA of a particular person can be identified includes the hair with the roots, tooth with the pulp, bones with bone marrow.
DNA study can also aid in establishing the identity of a missing person, both dead and buried remains. Moreover, the analysis of DNA evidence can help in clarifying paternity and maternity disputes.
Answer: Ozone is an alternative version of oxygen. Oxygen or (O2) in the air we breathe is actually two molecules of oxygen attached together. Ozone is three atoms of oxygen attached together forming a molecule that is O3.