DNA Marker Index information for Chromosome: Y Marker: Y56257Names and Aliases for this DNA Marker: Y56257, B927, rs928183559.Chromosome Position in hg38 Human Genome assembly1: 18979709.Chromosome Position in hg19 assembly2: 21141595 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.