DNA Marker Index information for Chromosome: Y Marker: MF266961Names and Aliases for this DNA Marker: MF266961, rs1042840665.Chromosome Position in hg38 Human Genome assembly1: 16587717.Chromosome Position in hg19 assembly2: 18699597 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: A.