DNA Marker Index information for Chromosome: Y Marker: Z1788Names and Aliases for this DNA Marker: Z1788, M3907, rs372718851.Chromosome Position in hg38 Human Genome assembly1: 18976380.Chromosome Position in hg19 assembly2: 21138266 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: C.