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focuses on 256 terms related to genetics. Listen to scientists define and describe each term. See illustrations and 3-D animations of cells, chromosomes, genes, mitosis, protein, and more. Take the Test Your Gene IQ quiz — read a definition and pick the correct term. (National Institutes of Health)
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Autism is a developmental brain disorder characterized by impaired social interactions, communication problems, and repetitive behaviors. Symptoms usually appear before the age of three. The exact cause of autism is not known, however, it is likely influenced by genetics. |
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