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Brief Summary

Drosophila melanogaster (Common fruit fly), a member of the order Diptera and family Drosophilidae, is a small, yellow-brown fly +with an average length of 3 mm (Miller, 2000). The native habitat of D. melanogaster consists of tropical and temperate climates of Africa, Europe and Asia (Miller, 2000). D. melanogaster are herbivores (frugivores) and eat decaying fruit and vegetables (Kohler, 1993). The life cycle of this species varies with temperature (Demerec and Kaufmann, 1957) and consists of 3 main stages: embryonic, larval and pupal. Adult male D. melanogaster can be differentiated from female D. melanogaster by their smaller size, the presence of sex combs and a darkened area at the end of the abdomen (Demerec and Kaufmann, 1957). The D. melanogaster is considered a model organism due to its small size, short life cycle, fast reproductive rate, low cost in maintenance, and a small (4 chromosomes) sequenced genome (Adams et al., 2000; Demerec and Kaufmann, 1957; Patterson, et al., 1943).

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© Ayesha Hameed, Expo E-42c: Writing in the Sciences, Harvard University Extension School

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