DNA Marker Index information for Chromosome: Y Marker: BY138908.1Names and Aliases for this DNA Marker: BY138908.1, BY138908.Chromosome Position in hg38 Human Genome assembly1: 20389832.Chromosome Position in hg19 assembly2: 22551718 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.