DNA Marker Index information for Chromosome: Y Marker: BY3934Names and Aliases for this DNA Marker: BY3934, FGC43040, rs932391067.Chromosome Position in hg38 Human Genome assembly1: 7947923.Chromosome Position in hg19 assembly2: 7815964 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.