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Pedigree Analysis in Human Genetics: Tutorial

Instructions:

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

question 1 of 3

A couple has three children: a 14-year-old daughter and two sons, ages 10 and 12. If the mother and daughter are both known to have a genetic disorder, what would the pedigree of this family look like?

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1. In the following pedigree, how many male cousins does the proband have?

2. Which of the following statements about the proband is TRUE?

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About This Quiz & Worksheet

This quiz and corresponding worksheet can help you assess your knowledge of pedigree analysis in human genetics. The questions ask you to describe the pedigree of families in various scenarios.

Quiz & Worksheet Goals

Use this printable worksheet and quiz will ask you to identify:

  • The number of male cousins in a sample pedigree
  • Facts about a proband
  • Truths about the triangle symbol

Skills Practiced

This worksheet and quiz will let you practice the following skills:

  • Interpreting information - verify you can read information regarding what a proband is and interpret it correctly
  • Reading comprehension - ensure that you draw the most important information from the related pedigree analysis lesson
  • Problem solving - use acquired knowledge to solve pedigree analysis practice problems

Additional Learning

To learn more about these symbolic family trees, review the corresponding lesson titled Pedigree Analysis in Human Genetics: Tutorial. This lesson will help you:

  • Understand what a pedigree is
  • Identify how to create a pedigree
  • Describe the family relationships in a pedigree
  • Appreciate the use of symbols in the pedigree
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