Complete the following flow chart
Pollen mother cell → Pollen tetrad → Pollen grain (a) = vegetative cell (b) = ?
Generative cell
Pollen mother cells divide by meiosis. A pollen tetrad is a group of four immature pollen grains produced after meiotic microsporogenesis. Pollen grains are microscopic structures, which bear androecium – a male reproductive organ of a flower. A vegetative cell is a plant or animal body cell except reproductive cells. A kind of pollen grain cell that is reproductive and aids in the development of sperm.