What statement would be true according to the theory of blending inheritance?

a. The offspring of a parent plant with yellow seeds and a parent plant with green seeds will either have yellow or green seeds.

b. The offspring of a parent plant with round seeds and a parent plant with wrinkled seeds will have seeds both round and wrinkled.

c. The offspring of a tall parent plant and a short parent plant will all have a height in the middle.

d. The offspring of a parent plant with purple flowers and a parent plant with white flowers will all have purple flowers.