DNA Marker Index information for Chromosome: Y Marker: Y3664Names and Aliases for this DNA Marker: Y3664, FGC23778, rs949001101.Chromosome Position in hg38 Human Genome assembly1: 15707530.Chromosome Position in hg19 assembly2: 17819410 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.