DNA Marker Index information for Chromosome: Y Marker: BY3663.1Names and Aliases for this DNA Marker: BY3663.1, BY3663.Chromosome Position in hg38 Human Genome assembly1: 12656646.Chromosome Position in hg19 assembly2: 14768577 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.