DNA Marker Index information for Chromosome: Y Marker: Y61649Names and Aliases for this DNA Marker: Y61649, B2136, rs868283580.Chromosome Position in hg38 Human Genome assembly1: 7310262.Chromosome Position in hg19 assembly2: 7178303 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.