DNA Marker Index information for Chromosome: Y Marker: BY21074.1Names and Aliases for this DNA Marker: BY21074.1, BY21074, Y30754, rs927863921.Chromosome Position in hg38 Human Genome assembly1: 13454203.Chromosome Position in hg19 assembly2: 15566083 .Ancestral marker allele value: A.Derived, alternative, or mutated marker allele value: C.