Equus asinus (Donkey)

2n = 62
  • T. C. Hsu
  • Kurt Benirschke


Characterization of two small pairs of acrocentrics is arbitrary; they could also be considered subtelocentrics in some preparations. In contrast to other equidae, the X of the donkey has a more terminal centromere. The Y is the smallest acrocentric.


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  1. 1).
    Benirschke, K., Brownhill, L.E. and Beath, M.M.: Somatic chromosomes of the horse, the donkey and their hybrids, the mule and the hinny. J. Reprod. Fertil. 4:319, 1962.PubMedCrossRefGoogle Scholar
  2. 2).
    Trujillo, J.M., Stenius, C., Christian, L. and Ohno, S.: Chromosomes of the horse, the donkey and the mule. Chromosoma 13:243, 1962.PubMedCrossRefGoogle Scholar
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    Martin, G.G. and Lopez-Saez, J.F.: Dotaciones cromosomicas en los mamiferos domesticos. Genet. Iber. 14: 7, 1962Google Scholar
  4. 4).
    Makino, S., Sofuni, T. and Sasaki, M.S.: A revised study of the chromosomes in the horse, the ass and the mule. Proc. Japan Acad. 39:176, 1963.Google Scholar
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    Mutton, D.E., King, J.M. and Hamerton, J.L.: Chromosome studies in the genus Equus. Mammalian Chromosomes Newsletter No. 13:7, 1964.Google Scholar
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    Benirschke, K. and Malouf, N.: Chromosome studies of Equidae. Zool. Garten, in press.Google Scholar

Copyright information

© Springer-Verlag New York Inc. 1967

Authors and Affiliations

  • T. C. Hsu
    • 1
  • Kurt Benirschke
    • 2
  1. 1.Section of Cytology, Department of BiologyThe University of Texas M. D. Anderson Hospital and Tumor InstituteHoustonUSA
  2. 2.Department of PathologyDartmouth Medical SchoolHanoverUSA

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