title: [A description of the B chromosomes in the karyotype of the field mouse Apodemus agrarius].
abstract: For the first time B-chromosomes were detected in Apodemus agrarius. In the mouse of the population from the Khabarovsk Territory. B-chromosome is a minichromosome and it is found in all metaphase plates (2 n = 48 + 1B). B-chromosome of the mouse from the Maritime Territory is a medium-sized heterochromatic acrocentric (2n = 48 + 0-1B) and it is found in 53% of metaphase plates analyzed.
authors.forename: I V
authors.initials: IV
authors.lastname: Kartavtseva
mesh_terms: D000818:Animals; D002871:Chromosome Banding; D002875:Chromosomes / Q000648:ultrastructure*; D005260:Female; D007621:Karyotyping; D008297:Male; D009115:Muridae / Q000235:genetics*; D012426:Russia
vernacular_title: Opisanie B-khromosom v kariotipe polevoĭ myshi Apodemus agrarius.