DNA Marker Index information for Chromosome: Y Marker: A20030.1Names and Aliases for this DNA Marker: A20030.1, A20030.Chromosome Position in hg38 Human Genome assembly1: 16294137.Chromosome Position in hg19 assembly2: 18406017 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.