DNA Marker Index information for Chromosome: Y Marker: M3904.1Names and Aliases for this DNA Marker: M3904.1, M3904, rs551844967.Chromosome Position in hg38 Human Genome assembly1: 20891590.Chromosome Position in hg19 assembly2: 23053476 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.