Sex Ratio: Definition, Calculations & Interpretations


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question 1 of 3

What is the sex ratio?

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1. The sex ratio can be measured at several points throughout a lifespan. Which of these is NOT a common age for sex ratios to be measured?

2. What does the sex ratio of 1:1 actually mean?

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About This Quiz & Worksheet

This quiz/worksheet will assess your understanding of the human sex ratio. Key topics include an explanation of the sex ratio and common ages when the sex ratio is measured.

Quiz & Worksheet Goals

Multiple-choice questions will cover these points:

  • The meaning of a sex ratio of 1:1
  • The global sex ratio for human beings
  • An assumption made under the Fisher's principle

Skills Practiced

  • Defining key concepts make sure you can accurately define the sex ratio
  • Knowledge application - use your knowledge to answer questions about the human sex ratio and when it's measured and an assumption behind the Fisher's principle
  • Information recall - access the knowledge you've gained regarding the meaning of a sex ratio of 1:1

Additional Learning

Learn more about the sex ratio with the accompanying lesson entitled Sex Ratio: Definition, Calculations & Interpretations. You'll be going over these topics:

  • Impact of the sex ratio on society
  • The four different types of sex ratios
  • The reason sex ratios are slightly tipped toward males