DNA Marker Index information for Chromosome: Y Marker: Y4956.1Names and Aliases for this DNA Marker: Y4956.1, Y4956, FGC4009, Y4990, rs756757608.Chromosome Position in hg38 Human Genome assembly1: 7971694.Chromosome Position in hg19 assembly2: 7839735 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.