DNA Marker Index information for Chromosome: Y Marker: BY203721.1Names and Aliases for this DNA Marker: BY203721.1, BY203721.Chromosome Position in hg38 Human Genome assembly1: 15720013.Chromosome Position in hg19 assembly2: 17831893 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.