DNA Marker Index information for Chromosome: Y Marker: FGC49754.1Names and Aliases for this DNA Marker: FGC49754.1, FGC49754.Chromosome Position in hg38 Human Genome assembly1: 20307921.Chromosome Position in hg19 assembly2: 22469807 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: C.