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| Description: (a) A normal flower composed of four concentric whorls of structures: sepals, petals, stamens, and carpels. To the right is the ABC model of homeotic gene action in Arabidopsis. This is a revised model based on the recent identification of E genes. (b) A homeotic mutant defective in gene A in which the sepals have been transformed into carpels, and the petals have been transformed into stamens. (c) A triple mutant defective in the A, B, and C genes, producing a flower with all leaves.
Picture Stats: Views: 1522 Filesize: 142.89kB Height: 1251 Width: 850 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=584 Keywords: Normal and mutant homeotic gene action in Arabidopsis |