Abstract
The development of a concise consensus tree with high resolution for forensic genetic studies is highly recommended within the current next generation sequencing (NGS) era. In this study, a phylogeny with 74 Y-SNP markers, including two new markers with considerable polymorphism in the Han population, was constructed using the Ion Personal Genome Machine®(PGM) System, and 100 samples from the Sichuan Han population were analysed and assigned to 18 haplogroups. Compared with the full reference Y-Chromosome Consortium tree, this new concise consensus tree covered almost all of the Chinese Y-haplogroups and can be used to determine accurate hierarchal positions of any Chinese individual. Another notable finding from the present study was the ascertaining of the approximate locations of two new markers in the existing phylogeny. Also, 17 samples were observed as No-Calls in two loci (P31 and M133) in PGM system and discussed. The phylogeny in this study could be applicable for forensic purpose in Chinese population.
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