Journal
RUSSIAN JOURNAL OF GENETICS
Volume 59, Issue 5, Pages 518-521Publisher
PLEIADES PUBLISHING INC
DOI: 10.1134/S1022795423050034
Keywords
wild mice; Apodemus peninsulae; Sylvaemus flavicollis; B chromosomes
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The karyotypes of 95 specimens of yellow-necked field mouse caught in Eastern Europe were studied. Only one specimen had an extra chromosome. It was shown that the frequency of individuals with B chromosomes in Sylvaemus flavicollis from the surveyed sites in Eastern Europe is very low and probably not influenced by ecological conditions.
The karyotypes of 95 specimens (57 males and 38 females) of yellow-necked field mouse (Sylvaemus flavicollis Melchior, 1834) caught at seven points in Eastern Europe were studied. Only one specimen had an extra chromosome. It was shown that, in Sylvaemus flavicollis in the surveyed sites from the central part of the range (Eastern Europe), the frequency of occurrence of specimens with B chromosomes is very low and probably does not depend on the ecological conditions of habitats.
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