DNA Marker Index information for Chromosome: Y Marker: Y81550.1Names and Aliases for this DNA Marker: Y81550.1, Y81550, rs755580083.Chromosome Position in hg38 Human Genome assembly1: 2954276.Chromosome Position in hg19 assembly2: 2822317 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.