Reproductive Development and Structure

Art Connections

Figure If the anther is missing, what type of reproductive structure will the flower be unable to produce? What term is used to describe a flower that is normally lacking the androecium? What term describes a flower lacking a gynoecium?

Hint:

Figure Pollen (or sperm); carpellate; staminate.

Figure An embryo sac is missing the synergids. What specific impact would you expect this to have on fertilization?

  1. The pollen tube will be unable to form.
  2. The pollen tube will form but will not be guided toward the egg.
  3. Fertilization will not occur because the synergid is the egg.
  4. Fertilization will occur but the embryo will not be able to grow.

Hint:

Figure B: The pollen tube will form but will not be guided toward the egg.