Nondisjunction & Aneuploidy: Definition & Examples


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question 1 of 3

Which of the following is an example of aneuploidy?

I. A haploid cell with one copy of chromosome 21

II. A diploid cell with three copies of chromosome 21

III. A diploid cell with four copies of the X chromosome

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1. A diploid cell which has one copy of chromosome 16 would be _____.

2. Two aberrant cells are found in the dividing skin tissue of an otherwise normal human. One cell has only one copy of chromosome 16, while the other has three copies. The cause of these aberrant cells is most likely due to _____.

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About This Quiz & Worksheet

This quiz and worksheet will gauge your understanding of nondisjunction and aneuploidy. Topics that you will need to know and comprehend in order to pass the quiz include diploid cells and aberrant cells.

Quiz & Worksheet Goals

Use these tools to assess your knowledge of the following:

  • Examples of aneuploidy
  • Characteristics of diploid cells
  • Cause of aberrant cells in normal human beings

Skills Practiced

This worksheet and quiz let you practice the following skills:

  • Critical thinking - apply relevant concepts to examine information about nondisjunction and aneuploidy in a different light
  • Interpreting information - verify that you can read information regarding diploid and aberrant cells and interpret it correctly
  • Knowledge application - use your knowledge to identify an example of aneuploidy

Additional Information

To continue learning about this topic, review the lesson titled Nondisjunction and Aneuploidy. The lesson covers the following objectives:

  • Understand what happens when meiotic mistakes are made
  • Review the genomic consequences of nondisjunction
  • Compare and contrast trisomy and monosomy
  • Learn about human chromsomal disorders