| karyotype reorganisation in the subtilis group of birch mice (rodentia, dipodidae, sicista): unexpected taxonomic diversity within a limited distribution. | conventional cytogenetic studies of sicista subtilis and s. severtzovi (dipodidae, sicistinae), both attributable to the subtilis group of birch mice, revealed extensive karyotype diversity with 2n = 16-26 and nfa values of 26-46 indicating the overwhelming non-robertsonian nature of chromosomal reorganization in these species. the numerical and structural chromosome variability was principally found in specimens located within a confined region of the east european (russian) plain. the approxim ... | 2011 | 21212647 |