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The B-chromosome in the karyotype of Tetrix tenuicornis (Sahlb.) (Tetrigidae: Orthoptera)

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Abstract

B-chromosomes were observed in a Polish natural population of Tetrix tenuicornis. Three males showed a mitotically unstable and probably acrocentric B-chromosome, similar in size to the sex chromosome. In one specimen two forms of the B-chromosome occurred in various combinations (i.e. 6A+X; 6A+B; A; 6A+X+B; 6A+X+2B).

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Authors and Affiliations

  1. Institute of Systematics and Evolution of Animals, Polish Academy of Sciences, 31-016, Kraków, Poland

    A. Maryańska-Nadachowska & E. Warchałowska-Śliwa

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  1. A. Maryańska-Nadachowska
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  2. E. Warchałowska-Śliwa
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Maryańska-Nadachowska, A., Warchałowska-Śliwa, E. The B-chromosome in the karyotype of Tetrix tenuicornis (Sahlb.) (Tetrigidae: Orthoptera). Genetica 83, 125–129 (1991). https://doi.org/10.1007/BF00058529

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  • DOI: https://doi.org/10.1007/BF00058529

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