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Cover Figure


COVER False-color image of the head of a fruit fly, showing the stochastic epigenetic silencing of a transgene encoding green fluorescent protein in individual ommatidia of the eyes. The importance of epigenetics in regulating gene activity is discussed in a special section in this issue. 1063 [Photo by Kami Ahmad]

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