image: Confocal micrographs of developing leaf primordia of Cardamine hirsuta (dissected leaf shape) and Arabidopsis thaliana (simple leaf shape) are shown. This image relates to a paper that appeared in the 14 Feb., 2014, issue of Science, published by AAAS. The paper, by Daniela Vlad at University of Oxford in Oxford, UK, and colleagues was titled, "Leaf Shape Evolution Through Duplication, Regulatory Diversification, and Loss of a Homeobox Gene." view more
Credit: [Image courtesy of Daniel Kierzkowski and Miltos Tsiantis]