DNA Marker Index information for Chromosome: Y Marker: FTB88223Names and Aliases for this DNA Marker: FTB88223.Chromosome Position in hg38 Human Genome assembly1: 4747708.Chromosome Position in hg19 assembly2: 4615749 .Ancestral marker allele value: GCCCCATGT.Derived, alternative, or mutated marker allele value: del.