Concordance Rate: Definition & Calculation

Instructions:

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question 1 of 3

When one member of a pair has a trait, but the other member of the pair does not have the trait, the pair is _____ on the trait

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1. Which of the following best describes the genetic similarity of fraternal twins and non-twin siblings?

2. The concordance rate for eye color is around 98% for identical twins. Given what you know about concordance rates, how would you interpret this finding?

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About This Quiz & Worksheet

If you need a resource you can use to check how well you understand concordance rate, this quiz/worksheet will help. These quiz questions concern subjects including the genetic similarity of fraternal twins and non-twin siblings and the consensus amongst clinicians of what causes mental illness.

Quiz & Worksheet Goals

The quiz asks you about:

  • What it's called when one member of a pair has a trait but the other does not
  • How to best describe the genetic similarity of non-twin siblings and fraternal twins
  • How to interpret the concordance rate for eye color at 98% for identical twins
  • The consensus among clinicians of the causes of mental illness
  • How to calculate concordance rate

Skills Practiced

  • Information recall - access the knowledge you've gained regarding the term for when one member of a pair exhibits a trait but the other does not
  • Reading comprehension - ensure that you draw the most important information from the related concordance rate lesson
  • Knowledge application - use your knowledge to answer a question about calculating concordance rate

Additional Learning

The lesson called Concordance Rate: Definition & Calculation is a handy way to learn more about this subject. After finishing this lesson, you should be able to:

  • Differentiate between fraternal twins and identical twins
  • Explain the difference between concordance and discordance
  • Detail the pairwise concordance rate and how it's calculated
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