DNA Marker Index information for Chromosome: Y Marker: BY21758Names and Aliases for this DNA Marker: BY21758, Z44794, rs1019015747.Chromosome Position in hg38 Human Genome assembly1: 13241644.Chromosome Position in hg19 assembly2: 15353525 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: C.