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Science 7 July 2000:
Vol. 289. no. 5476, pp. 71 - 72
DOI: 10.1126/science.289.5476.71
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Perspectives

PLANT GENETICS:
A Tomato Gene Weighs In

John Doebley

What makes some people big and others small--obviously our genes, but which ones? Working out the complex of genes that control such quantitative traits in animals and plants is one of the big challenges facing geneticists. In his Perspective, Doebley discusses new results that identify the fw2.2 gene as one of the genes determining fruit size in the tomato (Frary et al.).

The author is in the Laboratory of Genetics, University of Wisconsin, Madison, WI 53706, USA. E-mail: jdoebley{at}facstaff.wisc.edu

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