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    Chromosomes of the bowhead whale (Balaena mysticetus linnaeus)

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    Jarrell.Gordon.1979.pdf
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    Author
    Jarrell, Gordon Hamilton
    Keyword
    Whales
    Anatomy
    Mammals
    Metadata
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    URI
    http://hdl.handle.net/11122/5230
    Abstract
    The somatic chromosomes of the bowhead whale, Balaena mysticetus, are described for the first time using homogeneous staining and trypsin G-banding. The diploid chromosome number in all cells studied is 42. The bowhead karyotype retains many features of the general 2n = 44 cetacean karyotype from which it is derived, yet it is the first mysticete for which a chromosome number other than 2n = 44 has been reported. The advanced karyotype of the bowhead may reflect greater anatomical specialization of this whale than of other mysticetes. Cytogenetic data for cetaceans are reviewed within the framework of a model of speciation in sympatry.
    Description
    Thesis (M.S.) University of Alaska Fairbanks, 1979
    Date
    1979-12
    Type
    Thesis
    Collections
    Marine Biology

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