DNA Marker Index information for Chromosome: Y Marker: SK131Names and Aliases for this DNA Marker: SK131, V4691, rs1242969709.Chromosome Position in hg38 Human Genome assembly1: 7725936.Chromosome Position in hg19 assembly2: 7593977 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: C.