Grade 11Zoology
Geitonogamy involves:
1) fertilization of a flower by the pollen from the same flower.
2) fertilization of a flower by the pollen from a flower of another plant in the same population.
3) fertilization of a flower by the pollen from another flower of plant belonging to a distant population.
4) fertilization of a flower by the pollen from another flower of the same plant.
