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Punnett Squares Intro to Non-Mendelian Genetics

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191 KB|26 pages
Product Description
What is it?
This document is a series of four different front and back worksheets intended to be worked on with a partner as an introduction to Non-Mendelian genetics. There are also two advanced dihybrid cross questions using ABO and Rh factor alleles as extensions.

What do students need to know before they can start?
Students should be familiar with how to complete a monohybrid Punnett square. Throughout the lesson you will teach co-dominance, incomplete dominance, and multiple alleles. If you want to do the extension with your students they will need to know how to complete a dihybrid cross.

Instructions
Prep: print one copy of each work sheet for every two students. The worksheets can be printed front and back so that for each worksheet they only have one page.

Implementation: Divide students into pairs. Give each pair one regular Mendelian worksheet. This will work well as a bell ringer/warm up. Remind students about how to complete Punnett squares and what dominant and recessive means. One student should complete problem 1, their partner will then check problem 1 and if it is wrong have them correct it and if it is right complete problem 2. In this way the students are both answering and checking problems.

Explain what co-dominance is, then give each pair the co-dominance worksheet that they will read and complete like the first worksheet. Repeat this process of explanation and worksheets until you have gone through all worksheets.

Suggestions: It might be good to break this activity up into three days if you have 45min. class periods. They would all be great warm ups or exit tickets.
Total Pages
26
Answer Key
Included
Teaching Duration
50 minutes
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