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Similar Genes Shape Diverse Leaves Saturday, December 20, 2008 - Ehud Rattner Home >> Headlines >> Biology   
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Researchers have found that a single family of genes could be shaping the leaves of a huge variety of different plants — from cabbages to maple trees. The genes are turned on repeatedly to divide and re-divide leaf margins to produce even the most intricate outlines. After leaf tissue separates from the growing shoot of a plant, it may divide into smaller leaves or 'leaflets', forming what's known as a compound leaf, and its edges can become serrated or lobed. (source: nature.com)
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