DNA Marker Index information for Chromosome: Y Marker: S744Names and Aliases for this DNA Marker: S744, S5261, AMM310, rs944920335.Chromosome Position in hg38 Human Genome assembly1: 19959919.Chromosome Position in hg19 assembly2: 22121805 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.