DNA Marker Index information for Chromosome: Y Marker: Z1941Names and Aliases for this DNA Marker: Z1941, L1941, rs749507067.Chromosome Position in hg38 Human Genome assembly1: 8689673.Chromosome Position in hg19 assembly2: 8557714 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: G.