DNA Marker Index information for Chromosome: Y Marker: BY139655.1Names and Aliases for this DNA Marker: BY139655.1, BY139655.Chromosome Position in hg38 Human Genome assembly1: 20470549.Chromosome Position in hg19 assembly2: 22632435 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.