DNA Marker Index information for Chromosome: Y Marker: YFS1251634Names and Aliases for this DNA Marker: YFS1251634, A20221.Chromosome Position in hg38 Human Genome assembly1: 3291063.Chromosome Position in hg19 assembly2: 3159104 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: C.