DNA Marker Index information for Chromosome: Y Marker: BY25141.1Names and Aliases for this DNA Marker: BY25141.1, BY25141, rs769718981.Chromosome Position in hg38 Human Genome assembly1: 15980269.Chromosome Position in hg19 assembly2: 18092149 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.