DNA Marker Index information for Chromosome: Y Marker: BY56242.1Names and Aliases for this DNA Marker: BY56242.1, BY56242, Z45955.Chromosome Position in hg38 Human Genome assembly1: 2881750.Chromosome Position in hg19 assembly2: 2749791 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.