DNA Marker Index information for Chromosome: Y Marker: F1221Names and Aliases for this DNA Marker: F1221, M1808, rs564069798.Chromosome Position in hg38 Human Genome assembly1: 8594560.Chromosome Position in hg19 assembly2: 8462601 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: A.