DNA Marker Index information for Chromosome: Y Marker: M1946.1Names and Aliases for this DNA Marker: M1946.1, M1946, rs540674038.Chromosome Position in hg38 Human Genome assembly1: 16758226.Chromosome Position in hg19 assembly2: 18870106 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.