Pollen grains have 2 nuclei : Pollination = the transfer of pollen grains from anther to stigma Fertilization = union of sperm and egg Fertilization: - pollen tube grows down through stigma and style, into the ovary.
(- pollen tube; grows down; ) Context(- pollen tube grows down,List([150, 174))):(Pollen grains; have; 2 nuclei)
- pollen tube grows down,List([150, 174))
- pollen tube Pollen grains
grows down have
2 nuclei