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B chromosomes in Rattus fuscipes I. Mitotic and meiotic chromosomes and the effects of B chromosomes on chiasma frequency

Heredity (1984) 52(3) 355-362
DOI: 10.1038/hdy.1984.43
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Abstract

The small heterochromatic B chromosomes of Rattus fuscipes assimilis are similar to those described by others in the related species Rattus rattus. They are apparently stable in somatic tissues, but in male meiosis they are liable to non-disjunction. The B chromosomes in R. f. assimilis are associated with an increase in the mean cell chiasma frequency, at least in males. © 1984, The Genetical Society of Great Britain.

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Thomson, R. L., Westerman, M., & Murray, N. D. (1984). B chromosomes in Rattus fuscipes I. Mitotic and meiotic chromosomes and the effects of B chromosomes on chiasma frequency. Heredity, 52(3), 355–362. https://doi.org/10.1038/hdy.1984.43

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