Browsing by Author "Geada, Helena"
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- A STR mutation in a heteropaternal twin casePublication . Geada, Helena; Ribeiro, Teresa; Brito, Miguel; Espinheira, Rosa; Rolf, Burkhard; Hohoff, Carsten; Brinkmann, BerndA 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.