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Male chromosomes in two populations ofBranchiostoma lanceolatum

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Riassunto

In entrambe le popolazioni diBranchiostoma lanceolatum del Golfo di Napoli e delle coste del Devonshire, Inghilterra, é stato trovato il numero aploide 19. Si sono individuati sia cromosomi metacentrici che telocentrici ma non cromosomi sessuali differenziati. È stata notata una certa somiglianza tra i cromosomi dei cefalocordati e di alcuni ascidiacei.

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Authors and Affiliations

  1. Institute of Animal Biology, University of Padova, Via Loredan 10, I-35100, Padova, Italy

    D. Colombera

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  1. D. Colombera
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Additional information

This research was supported by grant No. 72.01034/04 115.0542 from the Institute of Marine Biology, C.N.R., Venice, to the Institute of Comparative Anatomy, University of Padova, Italy.

Acknowledgments: I would like to thank Dr.W. J. Canzonier for correcting the manuscript and Dr.M. Tenca for the drawing of the idiogram.

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Colombera, D. Male chromosomes in two populations ofBranchiostoma lanceolatum. Experientia 30, 353–355 (1974). https://doi.org/10.1007/BF01921659

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