DNA Marker Index information for Chromosome: Y Marker: BTL60000023437Names and Aliases for this DNA Marker: BTL60000023437, FTD12921.Chromosome Position in hg38 Human Genome assembly1: 12662498.Chromosome Position in hg19 assembly2: 14774429 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.