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Chimerism and Forensic DNA Profiling in Crime Cases

Author

Listed:
  • Dr. J. R. Gaur, M.Sc., Ph.D.

    (Lifetime Professor, Rashtriya Raksha University, Gandhinagar, Gujarat, India & Former Director, Forensic Science Laboratory, Junga, Shimla, H.P)

  • Bhawana Dahiya, M.Sc.

    (Ph.D. Research Scholar, Rashtriya Raksha University, Lavad, Dahegam-382305, Gandhinagar Gujarat)

  • Shivani Surve, M.Sc.

    (Ph.D. Research Scholar, Rashtriya Raksha University, Lavad, Dahegam-382305, Gandhinagar Gujarat)

Abstract

An individual having two kinds of blood cell populations or two sets of deoxyribonucleic acid (DNA) types in different body tissues is called Chimeric and the situation is called as chimerism. This makes diagnosis and comparison of tissues for organ transplants and forensic investigations complicated and may lead to erroneous results. A few such cases, highly publicised in the past, have been mentioned in this paper. How chimerism affects DNA profiling results in forensic science and can lead to situations where the accused may be exonerated, and a genuine offspring of one’s parents may be denied parentage has been highlighted. How chimerism can be detected, and flawless reports can be given, the challenges faced in forensic cases have been mentioned in this paper.

Suggested Citation

  • Dr. J. R. Gaur, M.Sc., Ph.D. & Bhawana Dahiya, M.Sc. & Shivani Surve, M.Sc., 2026. "Chimerism and Forensic DNA Profiling in Crime Cases," International Journal of Research and Innovation in Applied Science, International Journal of Research and Innovation in Applied Science (IJRIAS), vol. 11(2), pages 340-344, February.
    • Handle: RePEc:bjf:journl:v:11:y:2026:i:2:p:340-344
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