DNA Marker Index information for Chromosome: Y Marker: Z642.1Names and Aliases for this DNA Marker: Z642.1, Z642, rs758898417.Chromosome Position in hg38 Human Genome assembly1: 16047316.Chromosome Position in hg19 assembly2: 18159196 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.