Coadaptive Gene Complexes in Incipient Species of Hawaiian Drosophila

作者: Alan Takashi Ohta

DOI: 10.1086/283549

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摘要: The degree of postmating isolation existing among allopatric populations belonging to two species endemic Hawaiian Drosophila was investigated. grimshawi is unusual picture-winged in that it widely distributed the archipelago with on islands Kauai, Oahu, Lanai, Molokai, and Maui. second species, D. pullipes, very closely related confined island Hawaii. Kauai Oahu pullipes are known be ovipositional specialists, utilizing only one genus plant. Populations from Maui generalists oviposit several plants a number different families. Hybridizations stocks representing four six (i.e., Maui, Molokai pullipes) were completed all reciprocal combinations; and, addition, crossed grimshawi. F1 hybrid progeny used produce an F2 ba...

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