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| Description | This is a lab for middle school or high school students exploring how probability applies to genetics. Students collect data using beads and a coin as examples of alleles. The analysis questions walk students through the steps of expressing probabilities as a fraction or as a decimal. The students are also asked to draw a Punnett square which relates probability to offspring of a particular cross. | |||
| Type of Resource | Assignment/Activity (Non-Laboratory/Non-Hands on Activity), Laboratory or Hands-On Activity | |||
| Format | Word Document - DOC | |||
| Author |
Jennifer Taylor, Washington University
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| Development Date | March 30, 2009 | |||
| Grade/Age Levels |
Middle School (Grades 6-8) High School lower division (Grades 9-10) High School upper division (Grades 11-12) General Public |
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| Pedagogies | ||||
| National Science Educational Standards |
Abilities necessary to do scientific inquiry (K-12), Molecular basis of heredity (9-12), Reproduction and heredity (5-8) | |||
| Learning Time | <=1 hour | |||
| Language | English | |||
| Type of Review | Reviewed by SDB Peer Reviewers | |||
| Review Date | October 29, 2011 | |||
| Funding Source | None | |||
| Suggested Use | ||||
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This is a helpful modeling exercise to help students understand the role of probability in genetics. Frequently punnett squares become a procedural algorithm and are not appreciated for what they truly model. I would use this simulation before introducing punnett squares and then refer back to it through the sequence of instruction.
—Jenny Sarna, Farragut Career Academy