# Zea mays B73 RefGen v2 # http://www.plantgdb.org/ZmGDB/ chr - zm1 1 0 301354135 black chr - zm2 2 0 237068873 black chr - zm3 3 0 232140174 black chr - zm4 4 0 241473504 black chr - zm5 5 0 217872852 black chr - zm6 6 0 169174353 black chr - zm7 7 0 176764762 black chr - zm8 8 0 175793759 black chr - zm9 9 0 156750706 black chr - zm10 10 0 150189435 black # chromosome 11 is ChrUnkown - unanchored contigs with 100 n spacer chr - zm11 11 0 7140151 black