9781422280751

WORDS TO UNDERSTAND

centrifuge —a machine that uses spinning force, away from the center, to separate substances or parts of substances of different densities DNA —deoxyribonucleic acid: a molecule that carries genetic information in the cells of plants and animals gel electrophoresis —a process in which an electromotive force moves molecules (as proteins and nucleic acids) through a gel and separates them into bands according to size GMO —genetically modified organism: a plant or animal whose genetic material has been altered by genetic engineering genes —a part of a cell that controls or influences the appearance, growth, etc., of a living thing genetic engineering —the science of making changes to the genes of a plant or animal to produce a desired result selective breeding —the intentional mating of two animals or plants in an aempt to produce offspring with desirable characteristics or for the elimination of a trait

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