DNA Marker Index information for Chromosome: Y Marker: BY74743.1Names and Aliases for this DNA Marker: BY74743.1, BY74743, A22345.Chromosome Position in hg38 Human Genome assembly1: 8763702.Chromosome Position in hg19 assembly2: 8631743 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.