DNA Marker Index information for Chromosome: Y Marker: FT77921.1Names and Aliases for this DNA Marker: FT77921.1, FT77921.Chromosome Position in hg38 Human Genome assembly1: 3808623.Chromosome Position in hg19 assembly2: 3676664 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.