DNA Marker Index information for Chromosome: Y Marker: BY188139.1Names and Aliases for this DNA Marker: BY188139.1, BY188139.Chromosome Position in hg38 Human Genome assembly1: 19124026.Chromosome Position in hg19 assembly2: 21285912 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.