DNA Marker Index information for Chromosome: Y Marker: PH420.1Names and Aliases for this DNA Marker: PH420.1, PH420, rs771260587.Chromosome Position in hg38 Human Genome assembly1: 7226039.Chromosome Position in hg19 assembly2: 7094080 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.