A single species of fly, <i>Drosophila melanogaster</i>, has been the subject of scientific research for more than one hundred years. Why does this tiny insect merit such intense scrutiny?<br /><br /><br /><br /><i>Drosophila</i>'s importance as a research organism began with its short life cycle, ability to reproduce in large numbers, and easy-to-see mutant phenotypes. Over time, laboratory investigation revealed surprising similarities between flies and othe…
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