DNA Marker Index information for Chromosome: Y Marker: Y31886Names and Aliases for this DNA Marker: Y31886, A15646, rs1212750897.Chromosome Position in hg38 Human Genome assembly1: 20626487.Chromosome Position in hg19 assembly2: 22788373 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.