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Abstracts
The karyotype structure of Laena reitteri is described for the first time. The chromosome number 2n=18+1-3B and meioformula n%=8+Xyp+1-3B deviates from the modal tenebrionid number. The karyotype exhibits low variation in morphology and length. The diploid set consists of four long (subtelocentric and acrocentric), twelve medium-sized acrocentric autosomes and sex heterochromosomes Xy. The X chromosome is submeta- centric, while the y is acrocentric and the smallest element of the set. On mitotic and meiotic plates 1-3 small additional elements are also visible, and probably represent B The NORs are very active at mitotic prophase and early meiotic stages.
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Volume
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Pages
213-217
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References
Document Type
ARTICLE
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Milada Holecova, Department of Zoology, Comenius University, Mlynska dolina B-1, 842-15 Bratislava, Slovakia
Identifiers
YADDA identifier
bwmeta1.element.element-from-psjc-7fca4f88-f3f3-32c5-9282-f89343b76bf3