DNA Marker Index information for Chromosome: Y Marker: BY23457.1Names and Aliases for this DNA Marker: BY23457.1, BY23457.Chromosome Position in hg38 Human Genome assembly1: 7064740.Chromosome Position in hg19 assembly2: 6932781 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: C.