What does expressed mean in biology?

Plz ! having a smooth seeds is the dominant trait. having wrinkled seeds is a recessive trait. the offspring of two plants with smooth seeds, a. must have smooth seeds. b. may have smooth or wrinkled seeds. c. must have wrinkled seeds. d. have a 25% change of having smooth seeds.

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?

What is the period of cell life when it is conducting