DNA Marker Index information for Chromosome: Y Marker: Y262855Names and Aliases for this DNA Marker: Y262855, BTL60000023912, rs768149513.Chromosome Position in hg38 Human Genome assembly1: 20915363.Chromosome Position in hg19 assembly2: 23077249 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.