DNA Marker Index information for Chromosome: Y Marker: Y25085.1Names and Aliases for this DNA Marker: Y25085.1, Y25085, BY18845, rs978652640.Chromosome Position in hg38 Human Genome assembly1: 19041466.Chromosome Position in hg19 assembly2: 21203352 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.