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What is the role of pollen tube in seeded plant?
The pollen tube serves as a conduit for sperm cells to travel from the pollen grain to the ovule for fertilization in seeded plants. It extends down the style of the pistil to reach the ovule and deliver the sperm cells. Once the sperm cells reach the ovule, they fertilize the egg cell, leading to seed formation.
What is the fusion of pollen and ovule called?
The fusion of pollen and ovule is called fertilization. This process involves the union of the sperm cell from the pollen with the egg cell in the ovule, resulting in the formation of a zygote, which eventually develops into a seed.
What travels down the pollen tube and fertilizes?
The pollen tube carries the male gametes (sperm) from the pollen grain to the egg cell in the ovule. Once the pollen tube reaches the ovule, the sperm fertilizes the egg cell, resulting in the formation of a seed.
What is the pollen grain that sends tube down pistil and unites with the ovule?
The pollen grain that sends a tube down the pistil and unites with the ovule is called a sperm cell. This process is known as fertilization and it leads to the formation of a seed. The sperm cell from the pollen grain fertilizes the egg cell within the ovule, initiating seed development.
What are angiosperms eggs fertilized in?
Angiosperm eggs are fertilized in the ovule, which is a structure located within the ovary of the flower. The pollen tube delivers the sperm cell to the egg cell within the ovule, leading to fertilization and the formation of a seed.
What takes place when sperm fuses with the egg inside an ovule?
fertilization
What forms after the sperm unites with an ovule?
A zygote.
In ovule formation what happens when the pollen tube does not pass through the micropyle?
If the pollen tube does not pass through the micropyle during ovule formation, fertilization cannot occur because the sperm cells contained within the pollen tube will not reach the egg cell. This will prevent the fusion of gametes and subsequently the development of seeds.
What sperm is formed during mitosis?
Sperm is not formed during mitosis. Mitosis is a type of cell division that occurs in somatic cells (non-reproductive cells) and produces two genetically identical daughter cells. Sperm formation, known as spermatogenesis, involves meiotic division, which produces four genetically different haploid cells called spermatids that later mature into sperm cells.
In what part of the flower do the sperm cell and the egg cell join together?
Sperm cells and egg cells join together in the ovule, which is located in the ovary of the flower. This union, known as fertilization, initiates the process of seed formation.
Where do the pollen grains go after pollination?
After pollination, the pollen grains germinate on the stigma and grow a pollen tube down the style to reach the ovule. The pollen tube delivers sperm cells to fertilize the egg cell within the ovule, leading to the formation of a seed.
What uinites to an ovule?
A sperm cell (also called spermatozoa) unites with ovule usually in ampulla of fallopian tube
