Implications for DNA identification arising from an analysis of Australian forensic databases
Ayres, K., Chaseling, J. and Balding, D. J. (2002) Implications for DNA identification arising from an analysis of Australian forensic databases. Forensic Science International, 129 (2). pp. 90-98. ISSN 0379-0738
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To link to this article DOI: 10.1016/S0379-0738(02)00232-3
Previous analyses of Australian samples have suggested that populations of the same broad racial group (Caucasian, Asian, Aboriginal) tend to be genetically similar across states. This suggests that a single national Australian database for each such group may be feasible, which would greatly facilitate casework. We have investigated samples drawn from each of these groups in different Australian states, and have quantified the genetic homogeneity across states within each racial group in terms of the "coancestry coefficient" F(ST). In accord with earlier results, we find that F(ST) values, as estimated from these data, are very small for Caucasians and Asians, usually <0.5%. We find that "declared" Aborigines (which includes many with partly Aboriginal genetic heritage) are also genetically similar across states, although they display some differentiation from a "pure" Aboriginal population (almost entirely of Aboriginal genetic heritage).
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