Abstract
The analysis of the genetic structure of regions with a complex demographic history shed light on the various topographic, linguistic and historical influences which form the present genetic landscape of Europe. In the Emilia-Romagna region (North of Italy) Ravenna is a geographical area with a historical complex background: it was an important seaport on the Mediterranean sea, the capital of the Ostrogothic kingdom of Italy and the seat of the Byzantine governor of Italy. The purpose of this study was to investigate the microgeographic variation of Y chromosome haplotypes of the area of Ravenna by analyzing 17 Y-chromosome short tandem repeats (Y-STRs) in 122 unrelated males. 100% of all haplotypes were different. A comparison with neighbouring Italian as well as with European and Levante root populations was done by AMOVA and visualized by a phylogenetic tree. The two main haplogroups found in this area were R1b and E3b1. The results of the present study add to the data for the forensic databases and can be useful also for anthropological studies.
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