DNA Marker Index information for Chromosome: Y Marker: BY27665.1Names and Aliases for this DNA Marker: BY27665.1, BY27665.Chromosome Position in hg38 Human Genome assembly1: 20588308.Chromosome Position in hg19 assembly2: 22750194 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.