A polln grain after germination sends a pollen tube in the ovule to release male gametes near the egg cell or ovum.
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When a pollen grain joins with an ovum, fertilization occurs, resulting in the formation of a zygote. This zygote then develops into an embryo that eventually grows into a new plant or seed. This process is crucial for the reproduction of flowering plants.
When pollen joins together with ovules, they create a seed. The seed is what will develop into fruits in the plant.
When a pollen grain joins with the ovary, the plant is fertilized. This process leads to the formation of seeds within the ovary, allowing the plant to reproduce and produce offspring.
Fertilization resulting in the formation of a zygote or embryo; technically, the pollen grain does not join with the ovule. A pollen tube grows from the pollen grain - this contains the gamete which fuses with the ovule.
When pollen joins with the ovum, it is called fertilization. This process results in the formation of a zygote, which is the first stage of a new organism's development.
Ungerminated pollen grain is inactive and has not started the process of fertilization, while germinated pollen grain has started growing a pollen tube towards the ovule for fertilization. Germinated pollen grain is actively involved in the fertilization process, while ungerminated pollen grain is not.
When viable and compatible pollen grains are brought in the vicinity of ovule having mature embryosac, gametic union will take place. This is called fertilization.