Punnett Square Genetics: Probability and Heredity Experiment
Overview
Teaches Mendelian genetics and probability. Verifies theoretical genetic ratios experimentally.
Why Do This Experiment?
This experiment teaches key concepts in Biology.
Materials Needed
- •Two coins (representing parents)(1)
- •trait cards(1)
- •recording sheets(1)
Step-by-Step Instructions
- 1
1. Use coin flip to represent allele inheritance (heads=dominant, tails=recessive)
- 2
2. Flip both coins simultaneously
- 3
3. Repeat 100 times and record genotypes
- 4
4. Compare actual ratio to predicted 3:1 ratio
The Science Behind It
Teaches Mendelian genetics and probability. Verifies theoretical genetic ratios experimentally.
Learning Outcomes
- ✓Understand basic biology concepts
- ✓Develop observation skills
- ✓Learn through hands-on experimentation
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