DNA Marker Index information for Chromosome: Y Marker: BY2977.1Names and Aliases for this DNA Marker: BY2977.1, BY2977, Y19297.Chromosome Position in hg38 Human Genome assembly1: 12909774.Chromosome Position in hg19 assembly2: 15021685 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.