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Science 19 July 2002:
Vol. 297. no. 5580, p. 328
DOI: 10.1126/science.297.5580.328
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News Focus

DEVELOPMENT:
Missized Mutants Help Identify Organ Tailors

Gretchen Vogel

Two studies published this week point to genes that might optimize size in parts of the nervous system. On page 365, researchers describe the effects of a ubiquitous protein called b-catenin on the size of the brain's cerebral cortex. And in a paper published online this week by Science, another team explains how a protein called Six6 interacts with key cell-division genes to control the size of the developing retina and pituitary gland.

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