How do pollen grains shed in plants with a two-celled condition?

Step-by-step solution

Pollen tube grows through the tissues of the stigma and style and reaches the ovary You would recall that in some plants, pollen grains are shed at two-celled condition (a vegetative cell and a generative cell). In such plants, the generative cell divides and forms the two male gametes during the growth of pollen tube in the stigma. In plants which shed pollen in the three-celled condition, pollen tubes carry the two male gametes from the beginning. Pollen tube, after reaching the ovary, enters the ovule through th