Erschienen in:
23.03.2017 | Original Article
Likelihood ratio formulae for disputed parentage when the product of conception is trisomic
verfasst von:
Duncan A. Taylor, Oliva Handt, Damien Abarno, John Buckleton
Erschienen in:
International Journal of Legal Medicine
|
Ausgabe 6/2017
Einloggen, um Zugang zu erhalten
Abstract
We present here the derivation of paternity index formulae that covers situations of a disputed paternity trio with a trisomic product of conception. We consider six possible mechanisms for trisomy to occur: dispermy, dieggy, paternal meiosis I or II, and maternal meiosis I or II in the calculation. We also provide a biological explanation for how each of the mechanisms could give rise to a trisomy. The paper is set out in a general manner so that the tables presented can be used on any instance of trisomic offspring. This work is motivated by a case of disputed paternity where the product of conception was trisomic, i.e. the electropherogram of the product of conception possessed three alleles at each locus. The outcome was extremely strong support for the alleged father’s paternity of the product of conception.