DNA Marker Index information for Chromosome: Y Marker: BY23458.1Names and Aliases for this DNA Marker: BY23458.1, BY23458, rs972919017.Chromosome Position in hg38 Human Genome assembly1: 7074331.Chromosome Position in hg19 assembly2: 6942372 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.