Download files for SNP markers that have been genetically mapped by at least on map held by MaizeGDB. Files: MaizeGDB_genetic_SNPs.xref - SNP ids, position in B73 v3 and v4, associated gene models, position in 5 major maps (Cornfed Dent Composite, Cornfed Flint Composite, IBM MaizeSNP50, LHRF Gnp2004, NAM) MaizeGDB_genetic_SNPs.fa - Sequence for SNP markers that are genetically mapped at MaizeGDB.