Description
No Prep Genetics Lesson! Bring incomplete and co-dominance to life with this interactive Google Slides lesson that keeps students engaged from start to finish! This no-prep digital activity helps students discover inheritance patterns through visuals, drag-and-drop practice, and guided critical thinking.
No direct instruction needed. You are free to walk around the classroom to check in on students and help them one-on-one!
Students work through 15 interactive Google Slides while completing a 2-page student notes sheet. Everything they need for their notes is on the slides! The notes require students to think through and apply what they’re learning—not just fill in blanks.
Perfect for:
- Your genetics unit
- Sub plans
- Independent or partner work
- Flipped classroom
- Station activity
- Review or re-teaching
Students actively explore the patterns of non-Mendelian inheritance through clear visuals and interactive practice:
- Vocabulary review: allele, trait, phenotype, genotype, heterozygous, homozygous, hybrid, purebred
- Review of the characteristics of Mendelian traits
- Introduction to incomplete dominance and co-dominance
- Identifying inheritance patterns from phenotypes
- Determining genotypes based on dominance relationships
- Practicing Punnett squares with co-dominant and incomplete dominant traits
What’s Included:
- 15 Interactive Google Slides
- 2-page Student Notes (printable + digital)
- Answer Key for Slides
- Answer Key for Notes
- Teacher Guide
- 100% Editable!
Help students master codominant and incomplete dominant traits through exploration and interaction—not memorization!
- No prep – assign the Slides, print the notes!
- Built-in guided notes – encourages active learning
- Visually engaging – image-rich slides, no walls of text
- Interactive learning – drag-and-drop, labeling, matching & more
- Supports independent work and student discovery
- Perfect for high school biology
The whole resource is 100% editable!
Click here to see a preview of the CoDominant and Incomplete Dominant Traits lesson!

See what some happy teachers are saying about this resource in our Teachers Pay Teachers store!
This resource is nice because it reviews phenotypes and genotypes. I also like how there is a paper that students fill out while completing the slides. – Kelsey J.







