DNA Marker Index information for Chromosome: Y Marker: BY40102.1Names and Aliases for this DNA Marker: BY40102.1, BY40102, FGC64280.Chromosome Position in hg38 Human Genome assembly1: 20318622.Chromosome Position in hg19 assembly2: 22480508 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.