DNA Marker Index information for Chromosome: Y Marker: Y15945Names and Aliases for this DNA Marker: Y15945, Z36840, rs774258044.Chromosome Position in hg38 Human Genome assembly1: 7519717.Chromosome Position in hg19 assembly2: 7387758 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.