Abstract
WHEN chromosomes pair at meiosis the bivalents so formed do not normally interlock. Heat-treatments can, however, induce bivalent interlocking in the locust Locusta migratoria. Only the longest bivalents interlock and usually only two are found per cell; two “rod” bivalents, with single chiasmata, two “ring” bivalents, each with two or three chiasmata, or one “rod” and one “ring” bivalent (Fig. 1a, b and c). The nature of this interlocking and the metaphase orientational and congressional properties of interlocked bivalents are analysed in detail elsewhere1.
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BUSS, M., HENDERSON, S. Induced Bivalent Interlocking and the Course of Meiotic Chromosome Synapsis. Nature New Biology 234, 243–246 (1971). https://doi.org/10.1038/newbio234243a0
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DOI: https://doi.org/10.1038/newbio234243a0
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