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D1S80 DNA profiling in five African populations

By Leslie R. Adrien


The highly polymorphic DlS80 locus has no known genetic function. This variable number of tandem repeat (VNTR) has been valuable in forensic identification. We have obtained allelic and genotypic frequencies for five African populations (Benin, Cameroon, Egypt, Kenya and Rwanda), which could be employed as databases to identify individuals. The polymerase chain reaction, followed by vertical polyacrylamide gel electrophoresis and silver staining was our method of analysis. Allele frequencies were used to infer genetic associations using Phylip 3.5, Principal Component and G-test statistical programs. Tests for Hardy-Weinberg equilibrium were employed. Fst estimates and power of discrimination values were also determined for each of our populations. Our analyses of 28 additional populations demonstrated that the D1 S80 locus alone provided for the discrimination of major racial groups. Genetic homogeneity between the African groups was observed. We have generated a database useful for human differentiation and phylogenetic studies

Topics: Medical Pathology
Publisher: FIU Digital Commons
Year: 2002
OAI identifier:

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