title: New approaches to the problem of macronuclear assortment.
mesh_terms: D000818:Animals; D002455:Cell Division; D002467:Cell Nucleus; D002843:Chromatin; D002874:Chromosome Mapping; D005796:Genes; D006720:Homozygote; D008954:Models, Biological; D013768:Tetrahymena / Q000235:genetics* / Q000254:growth & development
chemical_list: D002843:Chromatin