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Estimating the numb...
Estimating the number of contributors to a DNA profile
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Egeland, Thore (författare)
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Dalen, Ingvild (författare)
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- Mostad, Petter, 1964 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för matematisk statistik,Department of Mathematical Statistics,Chalmers tekniska högskola,Chalmers University of Technology,University of Gothenburg
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(creator_code:org_t)
- 2003
- 2003
- Engelska.
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Ingår i: International Journal of Legal Medicine. ; 117:5, s. 271-275
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Abstract
Ämnesord
Stäng
- The broad topic of this paper is the evaluation of DNA evidence in criminal cases. More specifically, we deal with mixture evidence which refers to cases where there are, or could be, several contributors to a biological stain based on, e.g., blood or semen. The present paper adresses DNA mixtures based on single nucleotide polymorphism (SNP) markers, i.e., diallelic markers. Based on STR analysis, it is in most cases easy to identify the presence of a mixture since three or four bands will show up with a high probability for at least one locus. Obviously, this will not be the case for diallelic markers and interpreting mixtures will be a great challenge. We address this problem by first approaching the more general problem of estimating the number of contributors to a stain. In addition we discuss how the markers should be selected and how many are required.
Ämnesord
- NATURVETENSKAP -- Matematik -- Sannolikhetsteori och statistik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Probability Theory and Statistics (hsv//eng)
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