DNA Marker Index information for Chromosome: Y Marker: BY27768.1Names and Aliases for this DNA Marker: BY27768.1, BY27768, Y16568, rs993866404.Chromosome Position in hg38 Human Genome assembly1: 13597701.Chromosome Position in hg19 assembly2: 15709581 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.