Which trait did heterozygous individuals show in Mendel's experiment on pea plants?

The answer should be dominant

Explanation:

because heterozygous can be Bb (example) and the B would still be the  dominant one and it would cover the small b (it also depends on how the questions is being asked like if it was 2 heterozygous parents having an offspring or only about the offspring which was heterozygous)

answer; ///i do believe the answer is (virus);