DNA Marker Index information for Chromosome: Y Marker: Y31258.4Names and Aliases for this DNA Marker: PR6143.4, Y31258.4, rs763809080.Chromosome Position in hg38 Human Genome assembly1: 15986871.Chromosome Position in hg19 assembly2: 18098751 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: A.