Do your students struggle to understand how to make Punnett squares? Or maybe they just can't figure out why they work? This introduction to Punnett squares investigation guides students through learning how and why Punnett squares work. As you introduce Punnett squares, use this investigation to help them draw their own conclusions. This digital and printable, no-prep lesson includes: A Google Slides file for digital students Google Form for students to self-check answers Questions (digital and print) to facilitate student thinking so students Answer key to make life easier Black and white and color print versions of the investigation Print versions of the investigation that include a link to the self-checking Google Form and versions without a link for a completely non-digital lesson Questions preloaded in GoFormative.com (when you make a free account), for easy and stress free digital grading. PLUS, there's a bonus video showing how to edit and customize the Google Form for your students. The flexibility of this introduction to Punnett squares investigation is perfect for your classroom. You will allow your students to really figure out and understand Punnett squares before you give them a chance to practice later.