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Lesson summary for:
Alike but Not the Same


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Students conduct a classwide inventory of human traits, construct histograms of the data they collect, and play a brief game that introduces students to major concepts related to human genetic variation and the notion of each individual's uniqueness.

National Institutes of Health

Grade level:

50 minutes

Teaching tips:
This activity is an introduction to several activities within a module entitled Human Genetic Variation. We also recommend the second activity in this module: The Meaning of Genetic Variation. These activities focus on variation but could easily be extended to address variation's role in evolution.

Correspondence to the Next Generation Science Standards is indicated in parentheses after each relevant concept. See our conceptual framework for details.

  • Scientists test their ideas using multiple lines of evidence. (P6, NOS2)

  • There is variation within a population. (LS3.B)

Teacher background:

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