DNA Marker Index information for Chromosome: Y Marker: L666.1Names and Aliases for this DNA Marker: L666.1, L666, F1008.1, F1008, rs772789809.Chromosome Position in hg38 Human Genome assembly1: 7702775.Chromosome Position in hg19 assembly2: 7570816 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.