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What is the role of pollination in sexual reproduction?
they spread pollen, which then fertilizes the ovum of the plant so it will produce offspring, usually by means of fruit.
Describe fertilization and where it occurs?
Fertilization is occurred when ripe pollen from an anther of the same kind of flower catches on the stigma, each pollen grain sends out a tiny threadlike tube. The tube grows down through the style and pierces one of the ovules in the ovary. This process is called fertilization.
When a pollen grain joins with an ovam what is called?
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.
What is the name of nuclei that flank the egg in a female gametophyte?
The nuclei that flank the egg in a female gametophyte are called synergids. They are located adjacent to the egg cell in the ovule and play a role in guiding the pollen tube towards the egg during fertilization in angiosperms.
How does fertilization take place in a flower?
the pollen grain lands ot the tip of pistle called as stigma and then pollen tube from pollen grain germinates and it reaches the ovary through style(containing 2 male gamets).. then fertilisation takes place... or is when the male sex cells inside the pollen grains fuses with the female sex cells inside to produce a seed embryo Pollination transfers the pollen grain to the stigma. However, for hertilisation to take place, the nucleus of the pollen grain must fuse with the nucleus of the ovum, which is inside an ovule in the ovary. To transfer the nucleus to the ovum, the pollen grain grows a tube, which digest its way through the tissue of the style and into the ovary. Here it grows around the opening in an ovule. The tip of the tube dissolves and allows the pollen grain nucleus to move out of the tube and into the ovule. Here it fertilises the ovum (egg cell) nucleus.
How does the pollen tube nucleus function in fertilization?
The pollen tube nucleus directs the growth of the pollen tube down through the pistil to the ovary
What happens when the pollen tube joins the ovule?
If The Pollen Tube Joins The Ovules They Will Have Fertilization And At The End After The Ovules Will Become The Seeds It Is One Or Many Seeds
What is the role of pollination in sexual reproduction?
they spread pollen, which then fertilizes the ovum of the plant so it will produce offspring, usually by means of fruit.
What is the purpose of the pollination tube that forms after pollination?
the purpose of the of pollen tube is to fuse or join with the ovules to cause fertilization.
Define fertilization of flowers?
fertilization is the process of producing a an offspring. in flowers the process stars when the pollen from the male sex cell/male gamete lands on the stigma the female gamete then the pollen feeds on the sticks stuff and then creates a pollen tube through the style. then the pollen fertilization the egg/ova. DEFINITION IS: fertilization is what happens when a plant is polinated
Describe fertilization and where it occurs?
Fertilization is occurred when ripe pollen from an anther of the same kind of flower catches on the stigma, each pollen grain sends out a tiny threadlike tube. The tube grows down through the style and pierces one of the ovules in the ovary. This process is called fertilization.
When a pollen grain joins with an ovam what is called?
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.
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 name of nuclei that flank the egg in a female gametophyte?
The nuclei that flank the egg in a female gametophyte are called synergids. They are located adjacent to the egg cell in the ovule and play a role in guiding the pollen tube towards the egg during fertilization in angiosperms.
What name is given to the fertilization of plants by animals?
When a pollen grain comes into contact with the stigma, or top of the pistil, it sends a pollen tube down into the ovary at the pistil's base. Fertilization of plants by animals is called pollination.
Can the flower bears food if the stigma is cut off?
No, because pollen cannot reach the ovary. Stigma is necessary for trapping pollen and for rehydration of pollen tube to grow. So no fertilization occurs.
How does fertilization take place in a flower?
the pollen grain lands ot the tip of pistle called as stigma and then pollen tube from pollen grain germinates and it reaches the ovary through style(containing 2 male gamets).. then fertilisation takes place... or is when the male sex cells inside the pollen grains fuses with the female sex cells inside to produce a seed embryo Pollination transfers the pollen grain to the stigma. However, for hertilisation to take place, the nucleus of the pollen grain must fuse with the nucleus of the ovum, which is inside an ovule in the ovary. To transfer the nucleus to the ovum, the pollen grain grows a tube, which digest its way through the tissue of the style and into the ovary. Here it grows around the opening in an ovule. The tip of the tube dissolves and allows the pollen grain nucleus to move out of the tube and into the ovule. Here it fertilises the ovum (egg cell) nucleus.
