What Is Trisomy? - Definition & Symptoms


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question 1 of 3

In humans, trisomies occur _____, but usually result in _____.

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1. Chromosome nondisjunction is when chromosomes fail to _____ properly during meiosis.


Which trisomies are usually NOT noticeable in humans?

1. Down syndrome (Trisomy 21)

2. Triple X syndrome (XXX)

3. XYY syndrome

4. Edwards syndrome (Trisomy 18)

5. Patau syndrome (Trisomy 13)

6. Klinefelter syndrome (XXY)

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About This Quiz & Worksheet

This printable quiz and worksheet will assess you on trisomy, a rare genetic trait. These quiz questions cover topics including the definition of trisomy, chromosome non disjunction and the natural occurrence of trisomy.

Quiz & Worksheet Goals

This worksheet and quiz will test you on the following objectives:

  • Define trisomy
  • Recognize how often trisomies occur
  • Identify trisomies not noticeable in humans
  • Understand chromosome nondisjunction
  • Identify the cellular process in which trisomy occurs

Skills Practiced

This quiz and worksheet will allow you to practice these 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 main phrases, including trisomy and chromosome nondisjunction
  • Information recall - access the knowledge you've gained regarding trisomy

Additional Learning

To learn more about trisomy check out the related lesson What Is Trisomy? - Definition and Symptoms. This lesson covers the following topics:

  • The definition of aneuploidy and trisomy
  • The process of meiosis
  • Symptoms of trisomy in humans