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The nasuta subgroup of Drosophila consists of 12 known species classified within the immigrans group. D. nasuta and D. albomicans are two sibling species widely distributed throughout the Indo-Pacific tropics, which, although morphologically indistinguishable, have different meta-phase-chromosome configurations: chromosomes X and 3 are attached in D.(More)
Parthenogenesis has evolved independently in more than 10 Drosophila species. Most cases are tychoparthenogenesis, which is occasional or accidental parthenogenesis in normally bisexual species with a low hatching rate of eggs produced by virgin females; this form is presumed to be an early stage of parthenogenesis. To address how parthenogenesis and sexual(More)
The successful rate of parthenogenesis in Drosophila harvested from natural population was extremely low, which could be effectively improved under selection pressure. Facultative parthenogenesis in Drosophila albomicans may be advantageous for its expansion from sub-tropical to temperate area. Since the understanding of the genetics involved in the(More)
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