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Mystery of the Crooked Cell (Classroom)

An investigation into the molecular basis of sickle cell disease

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This unit will introduce students to the genetic disease, sickle cell anemia. Students will analyze and develop questions about the disease while looking at blood smear for healthy and sickle patients.

Throughout the unit, students will analyze pieces of evidence (collected and provided data sets) to answer their questions and eventually come to understand the mechanism of sickle cell anemia.

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Learning Objectives

  • Standards Alignments + Connections

  • Introductory Phenomenon

    Students are introduced to these two blood smears and develop initial questions.

    (Download Both Images Above)

    Questions may include:

    • Why are there more red blood cells in sample 1 than in sample 2?
    • Why are there more white blood cells in sample 2 than in sample 1?
    • Why are there red blood cells that aren’t circles in sample 2?

    Activities to Gather Evidence

  • The Mystery of the Crooked Cell was written by Donald A. DeRosa and B. Leslie Wolfe and adapted by Learning Undefeated.


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