DNA Marker Index information for Chromosome: Y Marker: BY64848Names and Aliases for this DNA Marker: BY64848, V4619, rs1389199749.Chromosome Position in hg38 Human Genome assembly1: 7508800.Chromosome Position in hg19 assembly2: 7376841 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.