DNA Marker Index information for Chromosome: Y Marker: Z1919Names and Aliases for this DNA Marker: Z1919, CTS4231, PF2137, rs775199734.Chromosome Position in hg38 Human Genome assembly1: 13387692.Chromosome Position in hg19 assembly2: 15499572 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.