DNA Marker Index information for Chromosome: Y Marker: M8251.1Names and Aliases for this DNA Marker: M8251.1, M8251, Z9204, rs549413634.Chromosome Position in hg38 Human Genome assembly1: 13508728.Chromosome Position in hg19 assembly2: 15620608 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: A.