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Study of fruit fly chromosomes improves understanding of evolution and fertility

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Published on Aug 8, 2012

The propagation of every animal on the planet is the result of sexual activity between males and females of a given species. But how did things get this way? Why two sexes instead of one? Why are sperm necessary for reproduction and how did they evolve?

These as-yet-unresolved issues fascinate Timothy Karr, a developmental geneticist and evolutionary biologist at Arizona State University's Biodesign Institute. To probe them, he uses a common fruit fly, Drosophila melanogaster—an organism that has provided science with an enormous treasure-trove of genetic information.

biodesign.asu.edu

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