DNA Marker Index information for Chromosome: Y Marker: BY23881.1Names and Aliases for this DNA Marker: BY23881.1, BY23881, rs974582238.Chromosome Position in hg38 Human Genome assembly1: 13065354.Chromosome Position in hg19 assembly2: 15177268 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: A.