DNA Marker Index information for Chromosome: Y Marker: Y21755.1Names and Aliases for this DNA Marker: Y21755.1, Y21755.Chromosome Position in hg38 Human Genome assembly1: 6229928.Chromosome Position in hg19 assembly2: 6097969 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.