DNA Marker Index information for Chromosome: Y Marker: FGC74042.1Names and Aliases for this DNA Marker: FGC74042.1, FGC74042, ALK144.2.Chromosome Position in hg38 Human Genome assembly1: 16638432.Chromosome Position in hg19 assembly2: 18750312 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.