DNA Marker Index information for Chromosome: Y Marker: BY2.3Names and Aliases for this DNA Marker: BY2.3, FGC15178.2, rs971492729.Chromosome Position in hg38 Human Genome assembly1: 8391070.Chromosome Position in hg19 assembly2: 8259111 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.