title: Chromosome polymorphism in a population of Sorex araneus L. at Białowieza.
mesh_terms: D000818:Animals; D002871:Chromosome Banding / Q000379:methods; D005260:Female; D008297:Male; D011044:Poland; D011110:Polymorphism, Genetic; D012730:Sex Chromosomes; D012788:Shrews / Q000235:genetics*