DNA Marker Index information for Chromosome: Y Marker: FT74157Names and Aliases for this DNA Marker: FT74157, FGC91229.Chromosome Position in hg38 Human Genome assembly1: 19887678.Chromosome Position in hg19 assembly2: 22049564 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.