Insectivora Cytogenetics

  • D. S. Borgaonkar


Cytogenetic analyses among the Insectivora Bowdich are available for seven families and a total of 61 species have been investigated. Painter (1925) was the first to report on chromosome counts for any Insectivore and Makino’s (1951) list of chromosome numbers in animals gave information on only 8 species comprising altogether 10 reports. However, during the last decade, a number of investigators have concerned themselves with systematic studies of certain groups of Insectivores and these can be expected to contribute to a more adequate understanding of speciation and evolution in the insectivores. Cytogenetic analyses of “species hybrids” per se are not available, although a little information is available on the reproductive mechanisms of these animals. However, recently from studies on their physiology, breeding behavior, and ecology, information necessary for maintaining the animals in captivity has been made available.


Chromosome Number Chromosome Pair Centric Fusion Tree Shrew Common Shrew 
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Copyright information

© Springer-Verlag New York Inc. 1969

Authors and Affiliations

  • D. S. Borgaonkar
    • 1
  1. 1.Division of Medical Genetics, Department of MedicineThe Johns Hopkins University School of MedicineBaltimoreUSA

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