title: The B chromosome of corn.
mesh_terms: D000483:Alleles; D002869:Chromosome Aberrations; D002874:Chromosome Mapping; D002875:Chromosomes; D003434:Crossing Over, Genetic; D004247:DNA / Q000032:analysis; D004261:DNA Replication; D005306:Fertilization; D011058:Pollen; D011995:Recombination, Genetic; D003313:Zea mays / Q000235:genetics*
chemical_list: D004247:DNA