Summary
Four kinds of DNA probes that recognize hypervariable regions (HVR) were studied for parentage testing and individual identification. Allele frequencies and their confidence intervals among unrelated Japanese individuals were obtained. Codominant segregation of the polymorphism was confirmed in family studies. Two a priori probabilities were calculated for each HVR locus: the exclusion probabilities for an alleged father/mother/ child trio and for an alleged parent/child duo, and the probabilities of matching of genotypes of two unrelated individuals or two siblings. The ease of availability of the probes and their highly discriminating polymorphic patterns mean they could be very useful for forensic purposes.
Zusammenfassung
Es wird eine Analyse der Polymorphismen von 4 hypervariablen Gebieten (HVR, hypervariable region) von 4 verschiedenen DNA-Polymorphismen zur Vaterschaftsfeststellung und zu Identifizierungszwekken vorgenommen. Die Allelfrequenzen und die Konfidenz-Intervalle zwischen unverwandten Japanern werden angegeben. Der co-dominante Erbgang des Polymorphismus wurde durch Familienuntersuchungen bestätigt. Zwei a priori-Wahrscheinlichkeiten wurden für jeden HVR-Locus errechnet: Die Ausschlußwahrscheinlichkeiten für ein Putativ-Terzett „Vater/Mutter/ Kind“ und für ein Putativ-Duo „Eltern/Kind“. Außerdem wurden die Wahrscheinlichkeiten für eine genotypische Übereinstimmung zwischen zwei unverwandten Personen oder zwischen zwei Geschwistern errechnet. Die Zugänglichkeit der Proben und die hochgradig diskriminierenden polymorphen Muster machen die untersuchten Systeme sehr brauchbar für forensische Zwecke.
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Yokoi, T., Nata, M., Odaira, T. et al. Hypervariable regions of DNA for parentage testing and individual identification. Z Rechtsmed 103, 487–497 (1990). https://doi.org/10.1007/BF01254400
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DOI: https://doi.org/10.1007/BF01254400