The contrasting characters Mendel selected were:

1. Length of the stem: Tall/ Short

2. Position of flowers:  Axial/ Apical

3. Shape of the seed: Rounded/ Wrinkled

4. Colour of fruit: Green/ Yellow

5. Colour of the carpel: Coloured/ White

6. Colour of the cotyledon: Yellow/ Green

7. Shape of the matured fruit: Swollen/ Wrinkled

Related posts:

  1. Why did Mendel select sweet Peas for his experiment?

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