A pea plant that is tall has a dominant trait. Which statements are true about the genotype/phenotype relationship of the plant?

Select all that apply.

a. If the phenotype is tall, the genotype must be tt.

b. The genotype Tt always results in a phenotype that is tall.

c. When the genotype is Tt, the phenotype will be short.

d. When the phenotype is tall, the genotype can either be TT or Tt.