DNA Marker Index information for Chromosome: Y Marker: rs748651469Names and Aliases for this DNA Marker: BTL001253640, rs748651469.Chromosome Position in hg38 Human Genome assembly1: 13872001.Chromosome Position in hg19 assembly2: 15983881 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: del.