DNA Marker Index information for Chromosome: Y Marker: YP4639.2Names and Aliases for this DNA Marker: YP4639.2, rs1055389778.Chromosome Position in hg38 Human Genome assembly1: 7815836.Chromosome Position in hg19 assembly2: 7683877 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.