DNA Marker Index information for Chromosome: Y Marker: VL63Names and Aliases for this DNA Marker: VL63, P63, rs1023395537.Chromosome Position in hg38 Human Genome assembly1: 19681941.Chromosome Position in hg19 assembly2: 21843827 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: G.