The application of restriction fragment length polymorphism to disputed paternity. 1993

S T Chow, and K H Yap, and H E Tai, and W F Tan
Institute of Science and Forensic Medicine, Singapore.

The Hae III restriction fragment length polymorphism (RFLP) system with four variable number tandem repeats (VNTR) loci has been used to resolve disputed paternity. The system exhibits an average power of exclusion of 99.96% and a mean probability of paternity of 99.96%. In all the casework examined, three VNTR loci provided a minimum 98.11% of probability of paternity. With four VNTR loci, the minimum probability of paternity was 99.69%. The alleged fathers in these cases were of different races: Chinese, Malay, Indian, Caucasian and Black, suggesting that the RFLP system is not biased for any race. This RFLP system has also been used to resolve disputed paternity cases involving related alleged fathers and cases of "motherless children". To date, we have not observed any mutation or recombination on either the maternal or paternal alleles. These results suggest that the RFLP system with four VNTR loci can decisively resolve the biological relationship in disputed paternity cases.

UI MeSH Term Description Entries
D008297 Male Males
D010334 Paternity Establishing the father relationship of a man and a child. Paternities
D011336 Probability The study of chance processes or the relative frequency characterizing a chance process. Probabilities
D012091 Repetitive Sequences, Nucleic Acid Sequences of DNA or RNA that occur in multiple copies. There are several types: INTERSPERSED REPETITIVE SEQUENCES are copies of transposable elements (DNA TRANSPOSABLE ELEMENTS or RETROELEMENTS) dispersed throughout the genome. TERMINAL REPEAT SEQUENCES flank both ends of another sequence, for example, the long terminal repeats (LTRs) on RETROVIRUSES. Variations may be direct repeats, those occurring in the same direction, or inverted repeats, those opposite to each other in direction. TANDEM REPEAT SEQUENCES are copies which lie adjacent to each other, direct or inverted (INVERTED REPEAT SEQUENCES). DNA Repetitious Region,Direct Repeat,Genes, Selfish,Nucleic Acid Repetitive Sequences,Repetitive Region,Selfish DNA,Selfish Genes,DNA, Selfish,Repetitious Region, DNA,Repetitive Sequence,DNA Repetitious Regions,DNAs, Selfish,Direct Repeats,Gene, Selfish,Repeat, Direct,Repeats, Direct,Repetitious Regions, DNA,Repetitive Regions,Repetitive Sequences,Selfish DNAs,Selfish Gene
D012150 Polymorphism, Restriction Fragment Length Variation occurring within a species in the presence or length of DNA fragment generated by a specific endonuclease at a specific site in the genome. Such variations are generated by mutations that create or abolish recognition sites for these enzymes or change the length of the fragment. RFLP,Restriction Fragment Length Polymorphism,RFLPs,Restriction Fragment Length Polymorphisms
D005260 Female Females
D005554 Forensic Medicine The application of medical knowledge to questions of law. Legal Medicine,Medicine, Forensic,Medicine, Legal
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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