DNA Marker Index information for Chromosome: Y Marker: A20662Names and Aliases for this DNA Marker: A20662, BY35166, FGC73734.Chromosome Position in hg38 Human Genome assembly1: 6887052.Chromosome Position in hg19 assembly2: 6755093 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: C.