DNA Marker Index information for Chromosome: Y Marker: BY19783.1Names and Aliases for this DNA Marker: BY19783.1, BY19783, FGC65692.Chromosome Position in hg38 Human Genome assembly1: 20728162.Chromosome Position in hg19 assembly2: 22890048 .Ancestral marker allele value: CAAA.Derived, alternative, or mutated marker allele value: del.