DNA Marker Index information for Chromosome: Y Marker: BY31280.1Names and Aliases for this DNA Marker: BY31280.1, BY31280, Y131094.1, Y131094.Chromosome Position in hg38 Human Genome assembly1: 20971140.Chromosome Position in hg19 assembly2: 23133026 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.