DNA Marker Index information for Chromosome: Y Marker: PF3423.1Names and Aliases for this DNA Marker: PF3423.1, PF3423, rs950778031.Chromosome Position in hg38 Human Genome assembly1: 19381398.Chromosome Position in hg19 assembly2: 21543284 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: C.