DNA Marker Index information for Chromosome: Y Marker: Y81557.1Names and Aliases for this DNA Marker: Y81557.1, Y81557.Chromosome Position in hg38 Human Genome assembly1: 2958559.Chromosome Position in hg19 assembly2: 2826600 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.