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Science 4 January 2008:
Vol. 319. no. 5859, pp. 42 - 43
DOI: 10.1126/science.1153482
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Perspectives

GENETICS:
Functionally Degenerate--Y Not So?

William R. Rice and Urban Friberg

The Y chromosome of the common fruit fly has few functional genes but regulates the expression of hundreds of autosomal and X-linked genes.

The authors are in the Department of Ecology, Evolution, and Marine Biology, University of California, Santa Barbara, CA 93106, USA. E-mail: rice{at}lifesci.ucsb.edu; friberg{at}lifesci.ucsb.edu

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