Mendel's Peas

Step 4: The Punnett Square

In a monastery garden, Gregor Mendel counted peas for seven years and discovered the rules of heredity. Build a Punnett square, grow a hundred plants yourself, and see the 3:1 ratio appear.

1. The Monk in the Garden
2. Seven Traits
3. The First Cross
4. The Punnett Square
5. Grow a Hundred Plants
6. Ignored for 34 Years