DNA Marker Index information for Chromosome: Y Marker: BY270Names and Aliases for this DNA Marker: BY270, Y7658, rs1283715067.Chromosome Position in hg38 Human Genome assembly1: 7561860.Chromosome Position in hg19 assembly2: 7429901 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.