DNA Marker Index information for Chromosome: Y Marker: MF136664.1Names and Aliases for this DNA Marker: MF136664.1, MF136664, rs1258939553.Chromosome Position in hg38 Human Genome assembly1: 12379555.Chromosome Position in hg19 assembly2: 14491358 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.