DNA Marker Index information for Chromosome: Y Marker: BY3819Names and Aliases for this DNA Marker: BY3819, A9406, rs969745617.Chromosome Position in hg38 Human Genome assembly1: 7913427.Chromosome Position in hg19 assembly2: 7781468 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: G.