Non-relationship between nucleolus and s
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A. Postiglloni; N. Brum-Zorrilla
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Article
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1988
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Springer Netherlands
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English
β 381 KB
Nucleolar-organizer region, nucleolus and mode of association of the sex bivalent were analyzed in spermatocytes of Chelymorpha variabilis Boheman. This species (2n = 10II + Xyp) shows the typical sex chromosome system of the group Pol~yqghaga. The results of silver staining techniques showed the nu