Page 150 - Science Course 3 (Book 1)
P. 150

Mo4-L3b: How DNA Changes Affect Traits?




                          SUMMARY                          Let’s Begin

                          What is DNA?

         DNA is a complex molecule that contains the       Making Proteins
            code for an organism’s genetic material.         The process of making a protein from RNA is called
                                                           translation.
          RNA carries the codes for making proteins.

















          Mo4-L3b      How DNA Changes Affect Traits?


        KEY CONCEPTS:
        1. How do changes in the sequence of DNA
           affect traits?

                     Vocabulary A-Z

                     Let us learn some vocabulary          Mutations
                                                           A change in the nucleotide sequence of a gene is
        translation                                        called a mutation.
        the process of making a protein from RNA.

















        mutation
        a permanent change in the sequence of DNA, or the
        nucleotides, in a gene or chromosome.

















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