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Biology CH28 DNA--Life's Code

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Term
Definition
breeding   the bringing together of two living things to produce offspring  
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DNA   a molecule that makes up genes and determines the traits of all living things  
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fraternal twins   twins that form from two different fertilized eggs  
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genetic code   the code that translates the DNA language into the protein language  
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identical twins   two children that form from the splitting of one fertilized egg  
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mutation   any change in copying the DNA message  
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nitrogen base   the chemicals that form the rungs of a DNA molecule  
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radiation   energy that is given off by atoms  
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recombinant DNA   the DNA that is formed when DNA from one organism is put into the DNA of another organism  
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RNA   a chemical that acts as a messenger  
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