DNA Marker Index information for Chromosome: Y Marker: FGC1720Names and Aliases for this DNA Marker: FGC1720, Y4348, B239, rs377152261.Chromosome Position in hg38 Human Genome assembly1: 15638077.Chromosome Position in hg19 assembly2: 17749957 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.