The seven characters that Mendel used for his experiments are as follows.
1. Stem height (dwarf and tall)
2. Position of flower (terminal or axial)
3. Colour of flower (purple or white)
4. Shape of seed (round or wrinkled)
5. Seed-coat colour (yellow or white)
6. Pod shape (constricted or inflated)
7. Pod colour (yellow or green)