DNA Marker Index information for Chromosome: Y Marker: L12.1Names and Aliases for this DNA Marker: L12.1, L12.Chromosome Position in hg38 Human Genome assembly1: 12919199.Chromosome Position in hg19 assembly2: 15031111 .Ancestral marker allele value: CAGACTTTGC.Derived, alternative, or mutated marker allele value: del.