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Experientia

, Volume 37, Issue 7, pp 693–694 | Cite as

XY1Y2, a new sex-chromosome system among caraboid beetles

  • J. Serrano
Article
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Summary

Calathus ascendens (Caraboidea, Pterostichiae, Sphodrini) has 2n=20, XY1Y2: XX. This multiple sexchromosome system seems to be derived from a neo-XY one through an X-autosome fusion.

References

  1. 2.
    J. Serrano, Genetica55, 51 (1981)Google Scholar
  2. 3.
    J. Serrano, Experientia36, 1042 (1980).Google Scholar

Copyright information

© Birkhäuser Verlag 1981

Authors and Affiliations

  • J. Serrano
    • 1
  1. 1.Museo Nacional de Ciencias NaturalesMadrid 6Spain

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