Paternity Cases within a Medicolegal Context: a Case Study of Heteropaternal Superfecundation in Iraq

Hannan K. Mahmood, Ammirah J. Omar, Khalifa M. Salih

Abstract


A case of paternity was referred to the Medical-Legal Directorate( MLD)/ Baghdad in August 2011 .The family who were concerned was the  Father (41 years old ) ,mother (23 years old) and 2 sons non identical twin (1.5year old) . Paternity test includes Conventional Blood Group Markers, DNA and Y chromosome STR Typing were investigated .

The DNA and Y chromosome STR Typing were tested  for the referred trios father and twins first , the results revealed an absolute exclusion of fatherhood relationship to both . , surprisingly the Y Chromosomeprofiles  revealed obviously that the two non identical twins were from different fathers or paternal descent. Maternity test was ought to be examined  for the assumed mother to rule out the possibility of switch of both babies in the hospital during their delivery and to prove their brotherhood relationship from mother side. The mother was referred and maternity was confirmed later using DNA Typing .

Combined Maternity Index (CPI) was calculated for twins ,The probability of Maternity were 99.98% and 99.95% for the1st and 2nd twin respectively.

Key words :

hetero paternal Superfecundation ,Non Identical twin,DNA Typing ,Y Chromosome STR Polymorphysim


Keywords


hetero paternal Superfecundation ,Non Identical twin,DNA Typing ,Y Chromosome STR Polymorphysim

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References


Omar AJ, Salih KM, Waly NT, HuseinEA. Analytical Study of Paternity test cases in Iraq during the period (2002-2007). The Iraqi Postgrad Med J. 2010; 9(4): 449-56.

Omar AJ, Mahmood HK, Husein EA, Salman NF. DNA Paternity Test and Statistics for Father-Daughter Incest Case. Iraqi J Biotech. 2012; 11(2):407-13.

Hayawi, N.A. Law of Punishments number 111 in 1969 and its amendments, 2nd book, Section 9 (Crimes against morality and public morality), chapter 1(Rape, sodomy and indecent assault), 2nd Edition, lawful library, Al-Mutanabee St., Baghdad.2006 :139.

Butler J.M. Forensic DNA Typing, Kinship and Parentage Testing, London, Elsevier Academic Press (USA), 2nd Edition, Chapter 23, 2005; 530.

Dorland W.A. Newman. Dorland ´s Medical Dictionary for Health Consumers, Sounders, an imprint of Elsevier, Inc. 2007.

Girela E, Lorente JA, Alvarez JC, Rodrigo MD, Lorente M, Villanueva E. Indisputable double paternity in dizygous twins. Fertil Steril. 1997;67(6):1159-61. https://doi.org/10.1016/S0015-0282(97)81456-2

Wenk RE, Houtz T, Brooks M, Chiafari FA. How frequent is Heteropaternal superfecundation? AMG Acta geneticae medicae et gemellologiae: twin research. 1992;41(1):43-7. https://doi.org/10.1017/S000156600000249X

Hansen HE, Simonsen BT. A case of heteropaternal superfecundation in a pair of Danish twins. Forensic Sci Int Genet Suppl Ser. 2008;1(1):514-5. https://doi.org/10.1016/j.fsigss.2007.10.162

Bulbul O, Filoglu G, Altuncul H. Heteropaternal Superfecundation, A case Report in Turkey. J Fertil In Vitro IVF Worldw Reprod Med Genet Stem Cell Biol, 2013; 1 (3): 1000112. https://doi.org/10.4172/jfiv.1000112, https://doi.org/10.4172/2375-4508.1000112

Lu HL, Wang CX, Wu FQ, Li JJ. Paternity identification in twins with different fathers. J Forensic Sci. 1994;39(4):1100-2. https://doi.org/10.1520/JFS13689J, PMid:8064269

Goodwin W, Linacre A and Hadi S. An Introduction to Forensic Genetics. John Wiley & Sons, Ltd, chapter (11,13) Kinship testing, Lineage Markers. 2007: 105- 131.

James WH. The incidence of superfecundation and of double paternity in the general population. AMG Acta geneticae medicae et gemellologiae: twin research. 1993;42(3-4):257-62. https://doi.org/10.1017/S0001566000003263




DOI: http://dx.doi.org/10.26735/16586794.2017.012

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