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What are the sturctures that produce the male gametophyte in angiosperms called?
The structures that produce the male gametophyte in angiosperms are called anthers. Anthers are located on the stamen of the flower and contain pollen sacs where microspores develop into pollen grains through meiosis and subsequent mitotic divisions.
What grows from the pollen grain go the ovule?
The pollen grain produces a pollen tube that grows towards the ovule in order to deliver the male gametes for fertilization. Once the pollen tube reaches the ovule, the male gametes are released to fertilize the female gametes inside the ovule, leading to the formation of seeds.
What is the fate of the tube nucleus in the pollen tube?
The tube nucleus in the pollen tube typically disintegrates as it moves downwards in the pollen tube to ensure that the sperm cells reach the ovule without interference. This allows for successful fertilization to occur by facilitating the fusion of the sperm cells with the egg cell and central cell in the ovule.
How do the sperm nuclei in a pollen grain reach the egg nucleus in an ovule?
When they land on the style they begin to bore their way through the stigma all the way to the ovule. Through the tube made by the tube nucleus of the pollen grain: each pollen grain has two nuclei, one called generative nucleus which combines with the nuclei of the ovule, and the other called tube nucleus tube nucleus which forms a tube that penetrates the stigma till it reaches ovule then it degenerates.
What is the joining of the male nucleus from the pollen grain with the egg cell in the ovule called?
The joining of the male nucleus from the pollen grain with the egg cell in the ovule is called fertilization. This process results in the formation of a zygote, which eventually develops into an embryo within the seed.
When pollen and seeds join together what is the process called?
The process is called fertilization. It involves the fusion of the pollen grain with the ovule to form a zygote, which will develop into a seed.
What is it called when a pollen nucleus joins with the ovule nucleus?
Pollination
What does the pollen join with to form seeds?
Pollen joins with the ovules in the ovary of a flower to form seeds through a process called fertilization. This process involves the fusion of the male gamete (pollen) and the female gamete (ovule) to form a zygote, which eventually develops into a seed.
What is the joining of the nuclei from a pollen grain to those of an ovule called?
Fertilization
What does a pollen grain landing near an ovule produce?
If a pollen grain lands near an ovule, it can lead to pollination, where the pollen grain forms a pollen tube that grows towards the ovule. Once the pollen tube reaches the ovule, fertilization can occur, resulting in the formation of a seed.
What is the space above the nucellus in a pine ovule called?
The space above the nucellus in a pine ovule is called the pollen chamber. This is where pollen grains land and germinate before fertilizing the egg cell within the nucellus.
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 do we call joining a pollen grain with a ovule?
Of course, it's called 'Pollination'
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.
How does fertilization in plants?
the pollen grains after landing on the stigma germinate to send out pollen tubes through which the male gametes reach near the egg cell of embryo sac in the ovule to fuse with. this fusion of male and female gametes (egg cell) is called fertilization.
What are the sturctures that produce the male gametophyte in angiosperms called?
The structures that produce the male gametophyte in angiosperms are called anthers. Anthers are located on the stamen of the flower and contain pollen sacs where microspores develop into pollen grains through meiosis and subsequent mitotic divisions.
When pollen from one plant fertlizes the ovule of another plant it is called?
cross pollination
