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Varna Medical Forum

Methods of paternity testing

Radina Georgieva, Kristina Andonova, Yordanka Mihaylova

Abstract

One of the most common questions that concern society more and more is connected with paternity. Forensic doctors say that in recent years the wish for expertise regarding paternity has increased sharply. The solution to this problem is based on several types of tests: blood group, chromosomal and DNA tests, and biometric research. Years before decoding the DNA molecule and opportunities to study at genetic level, one of the main methods of proof or rejection of paternity was anthropological research. It seeks visual similarity and difference between the child‘s mother and her husband, indicated as the father. Due to the great subjectivity of this type of analysis, however, it is not currently applicable in practice. The latest data show that research conducted on erythrocytes, leukocytes, and serum enzyme systems offers a general probability of excluding alleged paternity of 99.6%. Chromosome expertise increases this percentage, and with the best results is DNA analysis, which in nonexclusion gives a specific probability close to 100%. Since the test bloodgroup factors remain unchanged throughout the life of the person they can be identified at any time of his/ her life time. All this shows that if decades ago women could safely hide the truth about the paternity of their children, now thanks to the development of medicine and genetics in particular, their scam can easily be exposed.

Keywords

inheritance, methods, paternity, blood groups

Full Text




DOI: http://dx.doi.org/10.14748/vmf.v5i0.2829

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