Choose the best answer from the given option:
1. The number of contrasting characters studied by Mendel for his experiment was: (NEET - 2020)
2. A tall true breeding garden pea plant is crossed with a dwarf true breeding garden pea plant. When the F1 plants were selfed the resulting genotypes were in the ratio of (NEET - 2016)
3. A true breeding plant is (NEET - 2016)