DNA Marker Index information for Chromosome: Y Marker: BY2100.1Names and Aliases for this DNA Marker: BY2100.1, BY2100.Chromosome Position in hg38 Human Genome assembly1: 20733974.Chromosome Position in hg19 assembly2: 22895860 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.