DNA Marker Index information for Chromosome: Y Marker: P78.1Names and Aliases for this DNA Marker: P78.1, P78, rs773406590.Chromosome Position in hg38 Human Genome assembly1: 6872346.Chromosome Position in hg19 assembly2: 6740387 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.