How Viruses Mutate: Antigenic Drift and Antigenic Shift


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Which of the following is TRUE about antigenic drift?

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1. Which of the following is TRUE about an antigenic shift?

2. Is a case of antigenic drift or antigenic shift, which is more likely to be responsible for a flu pandemic and why?

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About This Quiz & Worksheet

Use this quiz/worksheet combo to help you test your understanding of types and causes of virus mutations. You will be assessed on descriptions of various terms as well as your ability to identify the agent most likely to be responsible for a flu pandemic

Quiz & Worksheet Goals

In these assessments you'll be tested on:

  • Descriptions of antigenic shift and antigenic drift
  • Agent most likely to be responsible for a flu pandemic
  • Two important surface proteins found on the influenza virus

Skills Practiced

This quiz and worksheet allow students to test the following skills:

  • Reading comprehension - ensure that you draw the most important information from the related biology lesson
  • Defining key concepts - ensure that you can accurately define the process whereby two viruses mix and match parts of their genome
  • Information recall - access the knowledge you've gained regarding types and causes of virus mutations
  • Distinguishing differences - compare and contrast topics from the lesson, including antigenic drift and antigenic shift

Additional Learning

How Viruses Mutate: Antigenic Drift and Antigenic Shift is the name of the lesson that describes more about this topic through the following objectives:

  • Name the two main keys viruses use to get into, replicate within, and get out of the cells that make up your body
  • Define the term 'recombination' and explain how recombination fits into a discussion of virus mutation
  • Understand the ways viruses mutate and cause infection within your body