Mendel concluded that both the tallness and shortness traits were inherited in the F1 plants, but only the tallness trait was expressed in the F1 generation. The appearance of short plants in the F2 generation indicated that the shortness trait ...

Mendel conducted self-pollination experiments with both the parental plants and the F1 tall plants. When the F1 tall plants were allowed to reproduce through self-pollination, the resulting second-generation, or F2, progeny exhibited a mix of tall and short plants. This ...