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| A thredlike structure in a cell nucleus that carries genes |
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| A biological molecule found in the cell nucleus that carries genetic information |
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| Segment of DNA located at a specific place on a chromosome, each contain information to produce proteins |
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| A membrain free organelle that floats in the interior of the nucleus and ribosomes |
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| In chemistry the positively charged center of an atom, which contains proyons and neutrons |
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| Essentail materials requried for the cell to carry out activities necessary for its survival |
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| A change in the specific order of the A, G, C and T bases that make up the particular |
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| Techniques developed to alter mutated genes in order to make them fuction normally |
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| Substances or factors that can cause mutations in DNA |
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| A mutation that harms an organisms or reduses the probility that organisms with the mutation can produce offspring or survive in the environment |
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| A mutation that does not affect the organisms or does not increase or decrease the survival rate of the organism |
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| A mutation that benifits and organism |
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