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Forensic science is a wonderful development and its contribution to humanity is multi-faceted. It helps solve so many problems in human life, particularly in the detection of mysteries relating to crimes. It is speculated that forensic science will allow the identification of rapists in rape cases and of mother or father in case of doubtful parentage. In this field, identity of a person with the help of blood stains, semen stains or hair roots will be possible with almost absolute certainty. In this technique, DNA will be isolated from blood stains or hair roots and will be subjected to southern blotting.
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