DNA Marker Index information for Chromosome: Y Marker: ZP141Names and Aliases for this DNA Marker: ZP141, Y18501, rs1056344044.Chromosome Position in hg38 Human Genome assembly1: 6945865.Chromosome Position in hg19 assembly2: 6813906 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.