DNA Marker Index information for Chromosome: Y Marker: FT256908.1Names and Aliases for this DNA Marker: FT256908.1, FT256908, rs973139884.Chromosome Position in hg38 Human Genome assembly1: 13715403.Chromosome Position in hg19 assembly2: 15827283 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.