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Topics from your homework you'll be able to complete:
- Effects of point mutations, insertions and deletions on DNA
- Effects of missense, nonsense and silent mutations on protein function
- Effects of the environment on mutation rates
- Effects of frameshift mutations
1. What is a Point Mutation? - Definition, Causes & Types
What are genetic mutations? How do they affect our DNA? This lesson covers the basics of point mutations and provides simple examples of different mutation types.
2. Effects of Mutations on Protein Function: Missense, Nonsense, and Silent Mutations
How does a tiny point mutation change the way a protein works? What are the consequences of base substitutions? In this lesson, we'll use an imaginary creature to explore missense, nonsense and silent mutations.
3. Mutagens: How the Environment Affects Mutation Rates
What causes mutations to occur in living things? How do we avoid mutations? Are mutations always bad? Discover answers to these questions and more in this lesson on mutagens.
4. Effects of Frameshift Mutations: Definitions and Examples
What is a frameshift in genetic translation? How can a frameshift mutation change a protein? In this lesson, learn about the codon reading frame and how frameshift mutations cause serious problems for polypeptide formation.
5. Silent Mutation: Definition & Example
Mutations, or changes in the DNA sequence of a cell, don't always have negative effects. In fact, the effects are sometimes completely unnoticeable. In this lesson, learn about so-called silent mutations and test your knowledge with a quiz.
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