[B-chromosomes of mammals].
D000818:Animals; D002453:Cell Cycle; D002875:Chromosomes / Q000502:physiology / Q000648:ultrastructure; D006224:Cricetinae; D003434:Crossing Over, Genetic; D004463:Ecology; D005589:Foxes; D006570:Heterochromatin / Q000032:analysis; D007621:Karyotyping; D008540:Meiosis; D051379:Mice; D008938:Mitosis; D009030:Mosaicism; D018521:Plant Physiological Phenomena; D011110:Polymorphism, Genetic; D011995:Recombination, Genetic; D013045:Species Specificity; D014178:Translocation, Genetic
D006570:Heterochromatin
B-khromosomy mlekopitaiushchikh.