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Notes on the cytological feature of male sterility in the mule

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Zusammenfassung

Untersuchungen der Spermatogenese beim Pferd und Esel haben die diploide Chromosomenzahl 66 und die haploide Zahl 33 eindeutig ergeben. Die gleiche Zahl 66 kann beim Maulesel festgesetzt werden. Der Hoden des Maulesels enthält keine Spermatozytenteilung, trotzdem Spermatogonienteilung vorhanden ist. Unfruchtbarkeit beim Maulesel wegen Mangels beider Reifeteilungen hat sich mit Sicherheit feststellen lassen.

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Authors and Affiliations

  1. Zoological Institute, Faculty of Science, Hokkaido University, Sapporo, Japan

    S. Makino

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  1. S. Makino
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Additional information

Contribution No. 326 from the Zoological Institute, Faculty of Science, Hokkaido University, Sapporo, Japan. With a financial aid from the Scientific Research Fund of the Ministry of Education.

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Makino, S. Notes on the cytological feature of male sterility in the mule. Experientia 11, 224–226 (1955). https://doi.org/10.1007/BF02160466

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