DNA Marker Index information for Chromosome: Y Marker: P55Names and Aliases for this DNA Marker: P55, rs374316530, rs796843140.Chromosome Position in hg38 Human Genome assembly1: 12368221.Chromosome Position in hg19 assembly2: 14488952 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: A.