DNA Marker Index information for Chromosome: Y Marker: FGC30121Names and Aliases for this DNA Marker: FGC30121, rs773316026.Chromosome Position in hg38 Human Genome assembly1: 7141421.Chromosome Position in hg19 assembly2: 7009462 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: C.