DNA Marker Index information for Chromosome: Y Marker: M8946Names and Aliases for this DNA Marker: M8946, B640, rs368349869.Chromosome Position in hg38 Human Genome assembly1: 2817603.Chromosome Position in hg19 assembly2: 2685644 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.