DNA Marker Index information for Chromosome: Y Marker: Y21542.3Names and Aliases for this DNA Marker: Y21542.3, rs780183660.Chromosome Position in hg38 Human Genome assembly1: 8579054.Chromosome Position in hg19 assembly2: 8447095 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.