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1Chapter 20:PlantDevelopmentFruitEndospermEmbryoFruitEndospermEmbryo23• Embryo• Seed• Dormancy– viviparous• Embryo• Seed• Dormancy– viviparous• Germination– Stratification (Cold)– Scarification (Colon)4“Chimera”L1 and L2 - no chlorophyllWUS & STM - keep undifferentiatedCLV - allow to differentiateClass I KNOX genes (KN1,includes STM)overexpression5KN1 expression in CoffeeKN1 expression in AniseKN1 (lack of) expression in Amborella“The radial symmerty of the leafprimordium becomes dorsal-ventral, or flattened, in allleaves.”6A.) Wt B.) acaciaC.)afilia D.) acacia afilia35S:KAN1-GRphb-1d/+McConnell andBarton
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