| [the clinal variability of the b-chromosome system in the east asian mouse apodemus peninsulae from buryatia and mongolia]. | karyological investigation of 22 east-asiatic mice from different points of the north mongolia showed the availability in all the mice from 1 to 13 b chromosomes, including from 1 to 5 middle-sized and small two-shoulder chromosomes, from 0 to 11 dot-like b chromosomes, and, seldom, 1 small acrocentric b chromosome. nearly every mouse is characterized by its variant of b-chromosome system. most frequent mice with 3, 4 and 8 b chromosomes were met. the comparison of the b-chromosome system varian ... | 1991 | 1866789 |