A study on the chromosomal dimorphism in Catapionus gracilicornis Roelofs (Curculionidae: Coleoptera)

A study on the chromosomal dimorphism in Catapionus gracilicornis Roelofs (Curculionidae: Coleoptera)

The chromosomes of four Catapionus gracilicornis male were studied. Three had the ordinal basic number 10AA+Xyp in haploid (2n=22) and remaining one, 11AA+Xyp (2n=24). The detailed investigation revealed that the latter chromosome formula was brought about by Robertsonian fission.

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Veröffentlicht in:Idengaku zasshi 1976, Vol.51(4), pp.279-283
1. Verfasser: Takenouchi, Y. (Hokkaido Univ. of Education, Sapporo (Japan))
Format: Artikel
Sprache:eng
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Zusammenfassung:The chromosomes of four Catapionus gracilicornis male were studied. Three had the ordinal basic number 10AA+Xyp in haploid (2n=22) and remaining one, 11AA+Xyp (2n=24). The detailed investigation revealed that the latter chromosome formula was brought about by Robertsonian fission.
ISSN:0021-504X
1880-5787
DOI:10.1266/jjg.51.279