DNA Marker Index information for Chromosome: Y Marker: BY27355Names and Aliases for this DNA Marker: BY27355.1, BY27355, Y40990.Chromosome Position in hg38 Human Genome assembly1: 13340045.Chromosome Position in hg19 assembly2: 15451925 .Ancestral marker allele value: T.Derived, alternative, or mutated marker allele value: C.