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B-chromosome systems in the pocket mouse, Perognathus baileyi: Meiosis and C-band studies

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Abstract

The heterochromatin characteristics and meiotic behavior of the B-chromosome system of the pocket mouse, Perognathus baileyi, are described. B-chromosomes are associated both with a meiotic accumulation mechanism and with an increase in average chiasma frequency in the A-chromosome set in males. Three morphological classes of B-chromosomes are recognizable, and the mechanisms of origin of each are discussed.

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  1. Museum of Vertebrate Zoology, University of California, 94720, Berkeley, California, USA

    James L. Patton

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  1. James L. Patton
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Patton, J.L. B-chromosome systems in the pocket mouse, Perognathus baileyi: Meiosis and C-band studies. Chromosoma 60, 1–14 (1977). https://doi.org/10.1007/BF00330406

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  • DOI: https://doi.org/10.1007/BF00330406

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