DNA Marker Index information for Chromosome: Y Marker: BY19604.1Names and Aliases for this DNA Marker: BY19604.1, BY19604, rs1357734421.Chromosome Position in hg38 Human Genome assembly1: 20378810.Chromosome Position in hg19 assembly2: 22540696 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.