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Science 8 November 2002:
Vol. 298. no. 5596, p. 1131
DOI: 10.1126/science.298.5596.1131g
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This Week in Science

Sperm morphology is one of the most rapidly diverging traits as species differentiate. The extreme variation in sperm length across the genus Drosophila make it an ideal system for studying how this evolution occurs. Miller and Pitnick (p. 1230) show that sperm morphology and female reproductive tract morphology interact competitively in Drosophila melanogaster to determine differential male fertilization success. An experimental study shows that sperm length evolution is driven by the evolution of the female reproductive tract.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)