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A Tree of Genetic Traits


Source Institutions

    University of Utah

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A Tree of Genetic Traits

Learners mark their traits for tongue rolling, PTC tasting (a harmless, bitter chemical), and earlobe attachment on tree leaf cut-outs. They then place their leaves on a large tree with branches, in which each each branch represents a different combination of traits. When completed, the tree forms a visual representation of the frequency of trait combinations within the group. Included are handouts in English and Spanish. This resource also contains information about PTC safety.

Quick Guide


Preparation Time:
30 to 45 minutes

Learning Time:
30 to 45 minutes

Estimated Materials Cost:
$5 - $10 per group of students

Age Range:
Ages 8 - 14

Resource Types:
Activity, Lesson/Lesson Plan

Language:
English, Spanish

Materials List (per group of students)


Subjects


  • Life Sciences
    • Heredity and Genetics
      • Patterns of Heredity
      • Human Genetics
    • Human Body
    • Human Senses and Perception
      • Taste
  • Mathematics
    • Data Analysis and Probability
      • Data Analysis
      • Data Collection
      • Data Representation
    • Measurement
      • Rate

Audience


To use this activity, learners need to:

  • see
  • read
  • taste
  • touch

Learning styles supported:

  • Involves teamwork and communication skills
  • Involves hands-on or lab activities

Other


Components that are part of this resource:

Includes alignment to state and/or national standards

This resource is part of:

Access Rights:

  • Free access

By:

  • Malone, Molly; Starr, Harmony; Mitchell, April

Source Collection:

  • Teach.Genetics

Rights:

  • All Rights Reserved, University of Utah, ©2006

Funding Sources:

  • Howard Hughes Medical Institute Precollege Science Education Initiative for Biomedical Research Institutions Award, 51000125
  • Health Resources and Services Administration, Maternal and Child Health Bureau, Genetic Services Branch and the March of Dimes, U33MC00157

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