Deletion Mutation: Definition, Examples & Diseases


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Which is a valid base pair in DNA?

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1. In certain sections of DNA, how many nucleotides make up a codon?

2. A point deletion involves the loss of which one of the following during DNA replication?

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About This Quiz & Worksheet

Zooming in on the inner workings of our DNA, this quiz and corresponding worksheet will gauge your knowledge of deletion mutations. You'll need to know what a point deletion involves during DNA replication and how many nucleotides code for one amino acid.

Quiz & Worksheet Goals

Use this printable worksheet and quiz to review:

  • What a point deletion involves
  • Number of nucleotides in DNA
  • Valid base pairs in DNA
  • Genetic diseases caused by point mutations
  • Characteristics of Tuner syndrome

Skills Practiced

  • Lesson comprehension - ensure that you draw the most important information from the related anthropology lesson
  • Interpreting information - verify you can review information regarding valid base pairs in DNA and interpret it correctly
  • Knowledge application - use your knowledge to identify a genetic disease caused by point mutations

Additional Learning

To learn more about why it's so critical for our DNA to replicate its information correctly, review the corresponding lesson titled Deletion Mutation: Definition, Examples & Diseases. This lesson will help you:

  • Define deletion mutation
  • Identify the parts that can be affected by deletion mutation
  • Understand DNA's composition
  • Describe what the loss of DNA information can lead to
  • Appreciate the differences of point deletions