## Reflection: Gradual Release Genetics - Introduction to Punnett Squares - Section 3: Students in Action

I really like the format of the student practice sheet. The educator who developed it used a format design that lent itself well to first model for students, then release the remainder of the problem set to students for completion.

The top half of the sheet reviews the fundamentals and serves as a reference for students as they complete problems on their own.

There is more to modeling for students then just making sure that they know how to answer the questions. Understanding the process and why it is an importance tool for genetics is also important.

Mastering Punnett squares requires practice in the application of new data and the ability to interpret the model noting the resulting genotypes, phenotypes and the probability of occurrence.

The Punnett square model is not an intuitive representation that students will be able to develop on their own. Modeling how visual representations can be used to make predictions and to communicate ideas is part of the process students must understand before we release students to practice on their own.

Model & Practice

# Genetics - Introduction to Punnett Squares

Unit 7: Genetics
Lesson 3 of 8

## Big Idea: How do geneticists determine the probability of inherited traits?

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60 minutes

### Deborah Gaff

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