DNA Marker Index information for Chromosome: Y Marker: S2770Names and Aliases for this DNA Marker: S2770, Z2607, AM01291, rs938372181.Chromosome Position in hg38 Human Genome assembly1: 21026040.Chromosome Position in hg19 assembly2: 23187926 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.