Abstract:
Isozyme variation for 14 enzyme systems was studied in two diploid tropical species of Bulnesia (Zygophyllaceae), B. arborea and B. carrapo, and in the subtropicaltemperate octoploid, B. bonariensis. The estimated proportions of polymorphic loci for the tropical species appear low, 28.6 percent and 22.7 percent, respectively. The octoploid species had a much higher estimated proportion of polymorphic loci, 46.1 percent, and exhibited complex allozyme phenotypes at some loci. Seed populations of Bulnesia species have genotypic proportions in Hardy-Weinberg equilibrium for esterase and malic dehydrogenase loci. The present study confirms earlier reports that plant and animal polyploids display more genetic variation and biochemical diversity than do diploid species. © 1983, American Genetic Association.
Registro:
| Documento: |
Artículo
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| Título: | Isozyme variation in diploid tropical and octoploid subtropical-temperate species of Bulnesia |
| Autor: | Hunziker, J.H.; Schaal, B.A. |
| Filiación: | Departamento de Ciencias Biologicas, Facultad de Ciencias Exactas y Naturales, Univcrsidad de Buenos Aires, 1428 Buenos Aires, Argentina
Department of Biology, Vashington University, St. Louis, MO 63130, United States
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| Año: | 1983
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| Volumen: | 74
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| Número: | 5
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| Página de inicio: | 358
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| Página de fin: | 360
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| DOI: |
http://dx.doi.org/10.1093/oxfordjournals.jhered.a109810 |
| Título revista: | Journal of Heredity
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| Título revista abreviado: | J. Hered.
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| ISSN: | 00221503
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| CODEN: | JOHEA
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| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00221503_v74_n5_p358_Hunziker |
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Citas:
---------- APA ----------
Hunziker, J.H. & Schaal, B.A.
(1983)
. Isozyme variation in diploid tropical and octoploid subtropical-temperate species of Bulnesia. Journal of Heredity, 74(5), 358-360.
http://dx.doi.org/10.1093/oxfordjournals.jhered.a109810---------- CHICAGO ----------
Hunziker, J.H., Schaal, B.A.
"Isozyme variation in diploid tropical and octoploid subtropical-temperate species of Bulnesia"
. Journal of Heredity 74, no. 5
(1983) : 358-360.
http://dx.doi.org/10.1093/oxfordjournals.jhered.a109810---------- MLA ----------
Hunziker, J.H., Schaal, B.A.
"Isozyme variation in diploid tropical and octoploid subtropical-temperate species of Bulnesia"
. Journal of Heredity, vol. 74, no. 5, 1983, pp. 358-360.
http://dx.doi.org/10.1093/oxfordjournals.jhered.a109810---------- VANCOUVER ----------
Hunziker, J.H., Schaal, B.A. Isozyme variation in diploid tropical and octoploid subtropical-temperate species of Bulnesia. J. Hered. 1983;74(5):358-360.
http://dx.doi.org/10.1093/oxfordjournals.jhered.a109810
