DNA Marker Index information for Chromosome: Y Marker: BY17953Names and Aliases for this DNA Marker: BY17953, FGC63559, rs957511189.Chromosome Position in hg38 Human Genome assembly1: 20998540.Chromosome Position in hg19 assembly2: 23160426 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: A.