Looking for a meaningful Genetics Sub Plan or a ready-to-use Life Science Activity that keeps students engaged without extra prep? This Blood Type & Punnett Squares lesson connects real-world medicine with genetics concepts through reading, practice problems, and Claim-Evidence-Reasoning writing. Students explore how blood types are inherited, why O− is called the universal donor, and how codominance works in real genetic traits. The structured slides allow students to work independently, maki