Abstract
Single Nucleotide Polymorphisms (SNPs) located on the Y chromosome have a specific interest as forensic tools, and based on these facts, we have designed a strategy, which allows to identify the most frequent haplogroups in Europe. Among the 245 binary polymorphisms described in the Y Chromosome Consortium tree, we have selected 29 markers. The whole set has been grouped into four multiplexes, in order to determine the final haplogroup using only one or two multiplexes. In this way, we avoid typing unnecessarily SNPs to define the final haplogroup saving effort and cost, since we only type in the best case 9 SNPs and in the worst possible combination 17 SNPs. One hundred fifty samples from Galicia (Northwest Spain) have been analysed. Data obtained by using the SNaPshot multiplex kit (Applied Biosystems) will be presented.
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