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Titolo: Mitochondrial DNA sequence analysis in Sicily
Data di pubblicazione: 2001
Abstract: This study reports data on the sequences of the first hypervariable segment of a sample of the Sicilian population from Alia (Palermo, Italy). The results show the presence of 32 different haplotypes in the 49 individuals examined. The average number of pairwise nucleotide differences was 4.04, i.e., 1.17% per nucleotide. The distribution of the nucleotide differences matches the theoretical distribution and indicates only one major episode of expansion that occurred between 20,732 and 59,691 years ago, between the Middle Paleolithic and Upper Paleolithic. Compared with the other populations, parameters of the Sicilian sample lie in an intermediate position between the eastern and western Mediterranean populations. This is due to numerous contacts that Sicily has had with the Mediterranean area since prehistoric times. At the same time, the singularity of some of the haplotypes present in the sample studied indicates the persistence of some characteristics caused by genetic drift and isolation that the population has endured in the course of its history. (C) 2001 Wiley-Liss, Inc.
Tipologia:1.1 Articolo in rivista

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