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Unit 2 Lesson 6
Gene Expression
| Term | Definition |
|---|---|
| codon | a three-base sequence in mRNA that codes for a specific amino acid |
| deletion | a type of mutation that involves one or more bases being deleted from the DNA sequence |
| DNA | a nucleic acid that contains genes |
| enzyme | a protein that acts to speed up a chemical reaction in the body |
| frameshift mutation | a change in DNA that shifts the reading of the genetic message |
| gene | a section of DNA that eventually translates into a protein |
| gene expression | the process in which information from a gene is used to make a protein |
| insertion | a type of mutation that involves one or more bases being added to the DNA sequence |
| missense mutation | a type of substitution mutation in which the change in the DNA sequences changes the amino acid in the protein |
| mRNA | a nucleic acid formed by the process of transcription from DNA that is used to make a protein |
| mutation | any change in the DNA base sequence that affects genetic information |
| nonsense mutation | a type of substitution mutation in which the change in DNA sequence changes the mRNA codon to a stop codon |
| point mutation | a change in a single point along the DNA sequence |
| silent mutation | a type of substitution mutation in which the DNA sequence is altered but the amino acid sequence remains the same |
| substitution mutation | a type of point mutation in which a single base in the DNA is changed into another base |
| traits | the physical characteristics of an organism |
Created by:
atrang
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