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    Cytogenetics of Simulium arcticum at Little Prickly Pear Creek: A Test of the Rhodes IIL-3/IIL-7 Reproductive Isolation Hypothesis

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    2004_RigginC_THS_000802.pdf (1.593Mb)
    Author
    Riggin, Callie
    Advisor
    Gerald Shields; Marilyn Schendel; Joan Stottlemyer
    Date of Issue
    2004-04-01
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    URI
    https://scholars.carroll.edu/handle/20.500.12647/2955
    Title
    Cytogenetics of Simulium arcticum at Little Prickly Pear Creek: A Test of the Rhodes IIL-3/IIL-7 Reproductive Isolation Hypothesis
    Type
    thesis
    Abstract
    In black flies (Simuliidae), the morphospecies of classical taxonomy is composed of any number of cytologically identifiable sibling species when polytene chromosomes are analyzed. The larval polytene chromosomes of Simulium arcticum were analyzed at Little Prickly Pear Creek (LPPC) between May and July 2003. This study was carried out to test the Rhodes IIL-3/IIL-7 reproductive isolation hypothesis with more extensive analysis. Collections over a five-month emergence and analysis of approximately 100 larvae indicate support for the Rhodes IIL-3/IIL-7 reproductive isolation hypothesis. The presence of a previously undescribed cytotype, IIL-20, was also revealed. Additionally, results suggested linkage of centromeric characteristics to the IIL-3 and IIL-7 inversions.
    Degree Awarded
    Bachelor's
    Semester
    Spring
    Department
    Life & Environmental Sciences
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    • Life and Environmental Sciences Undergraduate Theses

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