A STR mutation in a heteropaternal twin case. |
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| Authors: | H Geada T Ribeiro R M Brito R Espinheira B Rolf C Hohoff B Brinkmann |
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| Affiliation: | Department of Legal Medicine, Faculty of Medicine, University of Lisbon, Av. Prof. Egas Moniz, 1649-028 Lisbon, Portugal. hgeada@mail.telepac.pt |
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| Abstract: | A heteropaternal male twin case with two men being alleged fathers was investigated as requested by the Court. Up to 37 PCR-based polymorphic DNA systems were studied in this case which was complicated by a paternal ACTBP2 mutation detected in one twin. This is the first report on a STR mutation in a double paternity case where both biological fathers were indisputably identified. The STR systems enable the resolution of these complex genetic relationships even in a case where a mutation in one STR locus was encountered. |
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