DNA Marker Index information for Chromosome: Y Marker: A18191.2Names and Aliases for this DNA Marker: A18191.2, rs983226302.Chromosome Position in hg38 Human Genome assembly1: 19479578.Chromosome Position in hg19 assembly2: 21641464 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.