Variation in the abillties of different strains of Drosophila melanogaster to utilize diverse carbon sources |
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Authors: | B Wallace |
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Institution: | (1) Cornell University, 14853 Ithaca, NY, USA;(2) Present address: Department of Biology, VPI & SU, 24061 Blacksburg, VA, USA |
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Abstract: | In several experiments, flies of different geographic origins have been tested for their abilities to produce adult progeny on culture media containing primarily one or the other of several sugars. Flies of different origins differ in their abilities to produce progeny on a given sugar; flies of a single origin differ on different sugars. The data reveal a strong strain-sugar interaction as well. Strains of flies maintained for two or more years by mass transfer on culture media containing one or the other of several sugars, including xylose and lactose, adapt to that culture medium. Hybrid flies-either between lines within localities or between localities-are best able to produce offspring on xylose-containing medium. |
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