How many pairs of contrasting traits were studied by Mendel in pea plant

3 2 10 7

7

Seven pairs of contrasting characters in pea plants were studied by Mendel in his experiments. They were : i) form of seed; ii) colour of cotyledons; iii) colour of seed coat; iv) form of pod; v) colour of pod; vi) position of flower; vii) height of plant (length of stem).