When selectively breeding animals why don't the offspring turn out exactly the way we want them to?

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.

Cells destroy body cells infected by a virus or bacteria.

Match the description of each organism to the appropriate category