DNA Marker Index information for Chromosome: Y Marker: FGC2143.1Names and Aliases for this DNA Marker: FGC2143.1, FGC2143, rs766709391.Chromosome Position in hg38 Human Genome assembly1: 6642302.Chromosome Position in hg19 assembly2: 6510343 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: G.