DNA Marker Index information for Chromosome: Y Marker: DF104Names and Aliases for this DNA Marker: DF104, S661, Y2842, FGC4099, rs752415261.Chromosome Position in hg38 Human Genome assembly1: 2937793.Chromosome Position in hg19 assembly2: 2805834 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.