DNA Marker Index information for Chromosome: Y Marker: M3904.2Names and Aliases for this DNA Marker: M3904.2, rs551844967.Chromosome Position in hg38 Human Genome assembly1: 20891590.Chromosome Position in hg19 assembly2: 23053476 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: T.