DNA Marker Index information for Chromosome: Y Marker: BY4148Names and Aliases for this DNA Marker: BY4148, Y21294, rs1422750676.Chromosome Position in hg38 Human Genome assembly1: 2801511.Chromosome Position in hg19 assembly2: 2669552 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.