DNA Marker Index information for Chromosome: Y Marker: BY8830.4Names and Aliases for this DNA Marker: BY8830.4, MF800502, rs773687294.Chromosome Position in hg38 Human Genome assembly1: 19094545.Chromosome Position in hg19 assembly2: 21256431 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.