DNA Marker Index information for Chromosome: Y Marker: B665Names and Aliases for this DNA Marker: B665, FT310386, rs772304604.Chromosome Position in hg38 Human Genome assembly1: 2951985.Chromosome Position in hg19 assembly2: 2820026 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: G.