The First Completely Sequenced Plant Genome

At the end of 2000, an international team of researchers announced that Arabidopsis was the first plant to have its complete genome sequence—the exact order of essentially all 125 million DNA base pairs—determined. The project revealed that Arabidopsis contains over 25,500 genes. By identifying and studying these genes, biologists are learning lessons about plant biology that could provide important advances in agriculture, such as improved crop resistance to pathogens, salt, light stress, and drought, and to the production of more healthful edible oils, pharmaceuticals, and biodegradable plastics.

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stigma female plant sexual organ ovules eggs phenotype observable characteristics of an organism heterozygous characterized by possession of two different forms (alleles) of a particular gene homozygous containing two identical copies of a particular gene

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