Science6-8
Genetics Lab: PTC Taste Test
By Ann S.
This 2-page handout guides 8th graders through a PTC taste test to explore genetics. It includes background on the PTC gene, trait, chromosomes, genes, proteins, and phenotypes, and prompts students to record their results.
Customize for your classroom
Teacher Guide & Tips
- Use this handout as a 45-minute hands-on activity for a genetics unit.
- Discussion question: How does your phenotype for PTC tasting relate to your genotype?
- For struggling readers, pre-teach vocabulary and provide sentence frames for recording results.
- Advanced learners can research other inherited traits and their genetic basis.
Science6-8
Genetics Lab: PTC Taste Test
By Ann S.
This 2-page handout guides 8th graders through a PTC taste test to explore genetics. It includes background on the PTC gene, trait, chromosomes, genes, proteins, and phenotypes, and prompts students to record their results.
Customize for your classroom
Teacher Guide & Tips
- Use this handout as a 45-minute hands-on activity for a genetics unit.
- Discussion question: How does your phenotype for PTC tasting relate to your genotype?
- For struggling readers, pre-teach vocabulary and provide sentence frames for recording results.
- Advanced learners can research other inherited traits and their genetic basis.