Österreichische botanische Zeitschrift

, Volume 121, Issue 3–4, pp 165–169 | Cite as

Chromosomengröße und DNS-Gehalt bei drei Anthemideen (Asteraceae-Anthemideae)

  • Walter Nagl
  • Friedrich Ehrendorfer
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Zusammenfassung

Cytophotometrische DNS-Messungen an drei diploiden Anthemideen-Arten mit gleicher Zahl, aber unterschiedlicher Größe der Chromosomen zeigen, daß mit der phylogenetischen Reduktion der Chromosomengröße auch der DNS-Gehalt diploider Zellkerne abnimmt. Die Bedeutung dieser Veränderungen für die Evolution wird diskutiert.

Chromosome size and DNA content in three species of Asteraceae-anthemideae

Summary

Cytophotometric DNA measurements have been made in three diploid species of the Anthemideae, all with the same chromosome number, but with differences in chromosome size. It is shown that the phylogenetic reduction in chromosome size is closely correlated with a reduced DNA content of diploid nuclei. The evolutionary significance of such changes is discussed.

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Copyright information

© Springer-Verlag 1973

Authors and Affiliations

  • Walter Nagl
    • 1
  • Friedrich Ehrendorfer
    • 1
  1. 1.Botanischen Institut der Universität WienWien

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