DNA Marker Index information for Chromosome: Y Marker: Z2026.1Names and Aliases for this DNA Marker: Z2026.1, Z2026, M11686, rs554042507.Chromosome Position in hg38 Human Genome assembly1: 20976748.Chromosome Position in hg19 assembly2: 23138634 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.