What is a Point Mutation? - Definition, Causes & Types

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

The best term to describe the incorporation of a random mistake into the DNA sequence at a specific point is _____.

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1. A type of point mutation that alters the length of the DNA strand is _____.

2. An example of a transversion mutation is _____.

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About This Quiz & Worksheet

The quiz will cover the definitions related to the effects of point mutation. Some questions will ask you to complete the sentence with appropriate term. Others will provide you a definition and ask you to identify the term.

Quiz & Worksheet Goals

The quiz will cover the following terms:

  • Mutation
  • Base pairs
  • Base substitutions
  • Transversion
  • Purine

Skills Practiced

The quiz will help you cover the following skills:

  • Making connections - use understanding of the concept of point mutations
  • Critical thinking - apply relevant concepts to examine information about DNA in a different light
  • Interpreting information - verify that you can read information regarding point mutations and interpret it correctly
  • Information recall - access the knowledge you've gained regarding the effects of point mutations

Additional Learning

After you finish the quiz, head over to the related lesson How Point Mutations, Insertions, and Deletions Affect DNA. The lesson will help you cover the following topics:

  • Understanding the meaning of mutations
  • Describing point mutation's relation to proteins
  • Relating point mutations to insertions, substitutions, and deletions
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