DNA Marker Index information for Chromosome: Y Marker: M1919.1Names and Aliases for this DNA Marker: M1919.1, M1919, rs553715081.Chromosome Position in hg38 Human Genome assembly1: 21404768.Chromosome Position in hg19 assembly2: 23566654 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.