Genetic Differentiation of the Geomys Pocket Gopher Complex of Texas

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Genetic variation was analyzed for populations of seven taxa comprising four cytotypes of the Geomys bursarius chromosome complex, including G. b. major, G. b. knoxjonesi, and the Edwards Plateau taxa, G. b. llanensis and G. b. texensis. Genetic relationships of the Edwards Plateau gophers with other taxa and between themselves were examined. Genetic similarity, number of fixed allelic differences, and ectoparasite distribution indicate the Edwards Plateau gophers are a distinct gene pool. Isolation of the Edwards Plateau taxa precludes contact zone analysis. However, genetic differentiation is typical of that between other species of Geomys, and the Edwards Plateau taxa should … continued below

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v, 57 leaves: ill., maps

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Block, Scott B. (Scott Bishop) August 1988.

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  • Block, Scott B. (Scott Bishop)

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Genetic variation was analyzed for populations of seven taxa comprising four cytotypes of the Geomys bursarius chromosome complex, including G. b. major, G. b. knoxjonesi, and the Edwards Plateau taxa, G. b. llanensis and G. b. texensis. Genetic relationships of the Edwards Plateau gophers with other taxa and between themselves were examined. Genetic similarity, number of fixed allelic differences, and ectoparasite distribution indicate the Edwards Plateau gophers are a distinct gene pool. Isolation of the Edwards Plateau taxa precludes contact zone analysis. However, genetic differentiation is typical of that between other species of Geomys, and the Edwards Plateau taxa should be recognized as G. texensis. Distributions of allelic frequencies indicate little justification in retaining the subspecific status of the Edwards Plateau forms.

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v, 57 leaves: ill., maps

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  • August 1988

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  • March 9, 2015, 8:15 a.m.

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  • Nov. 1, 2016, 11:40 a.m.

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Block, Scott B. (Scott Bishop). Genetic Differentiation of the Geomys Pocket Gopher Complex of Texas, thesis, August 1988; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc500455/: accessed April 23, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .

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