DNA Marker Index information for Chromosome: Y Marker: BY20618.1Names and Aliases for this DNA Marker: BY20618.1, BY20618, rs764338396.Chromosome Position in hg38 Human Genome assembly1: 8679925.Chromosome Position in hg19 assembly2: 8547966 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.