With fruit fly sex, researchers find mind-body connection

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The male fruit fly approaches the female (A) tracks her (B) and extends a wing (C) to produce a species-specific song. He curls his abdomen a full 180-degrees (D). If the female is receptive they mate. The doublesex and fruitless genes help determine ...
The male fruit fly approaches the female (A), tracks her (B), and extends a wing (C) to produce a species-specific song. He curls his abdomen a full 180-degrees (D). If the female is receptive, they mate. The doublesex and fruitless genes help determine this courtship behavior. Credit: Lynn Ditch

Male fruit flies are smaller and darker than female flies. The hair-like bristles on their forelegs are shorter, thicker. Their sexual equipment, of course, is different, too.


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All News summaries for November 30, 2006

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