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Is stamen the mature male gametophyte?
No. The stamen is the male structure of the flower, consisting of a filament and anther. However, the mature, male gametophyte consists of a germinated pollen grain with its tube and two associated sperm.
What is one entire male gametophyte of a gymnosperm?
The male gametophyte of a gymnosperm is a pollen grain, which consists of two cells: a generative cell that will divide to form two sperm cells, and a tube cell that aids in the pollen tube formation.
Where is the sperm located in gymnosperms?
In gymnosperms, the sperm cells are produced in the male gametophyte structure called a pollen grain. These sperm cells are carried to the female gametophyte structure, where fertilization occurs, typically by wind or insects.
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.
In seed plants the structure that encloses the male gametophyte and transports it to another plant is called a?
In seed plants, the structure that encloses the male gametophyte and helps transport it to another plant is called pollen. Pollen grains contain the male gametophyte, which is the microgametophyte. When released from the anther of a flower, pollen can be carried by wind, insects, or other pollinators to reach the female reproductive structures of another plant, allowing for fertilization.
What structure does the male gametophyte become?
In flowering plants, megaspores become the female gametophytes.
In angiosperms the male gametophyte is?
The male gametophyte in an angiosperm is the stamen. The female gametophyte in an angiosperm is the pistil.This is completely wrong. The male gametophyte consists of the generative cell and the tube cell in the pollen grain. The female gametophyte is the 7-celled 8 nucleate embryo sac.
Is stamen the mature male gametophyte?
No. The stamen is the male structure of the flower, consisting of a filament and anther. However, the mature, male gametophyte consists of a germinated pollen grain with its tube and two associated sperm.
What is one entire male gametophyte of a gymnosperm?
The male gametophyte of a gymnosperm is a pollen grain, which consists of two cells: a generative cell that will divide to form two sperm cells, and a tube cell that aids in the pollen tube formation.
Name the parts of an angiosperm flower in which development of male and female gametophyte take place?
Parenchyma cells Stamen & pistil
Do gametophytes produces seeds or pollen?
Gametophytes produce pollen, which is the male gametophyte. Seeds are produced by the fertilization of the female gametophyte by pollen.
Which part of the life cycle does a pollen grain represent?
a male gametophyte
What is the male gametophyte in a cone bearing plant?
In cone-bearing plants, also known as gymnosperms, the male gametophyte is represented by pollen grains. These pollen grains develop from microspores within the male cones (strobili) and contain the male gametes (sperm cells). When pollen is transferred to a female cone, it can fertilize the ovule, leading to the formation of seeds. Thus, the male gametophyte plays a crucial role in the reproductive process of these plants.
Where is the sporophyte of marchantia located?
The sporophyte of Marchantia, a type of liverwort, is located on the gametophyte plant. It emerges from the surface of the gametophyte and is a small stalk with a capsule containing spores.
Why dont the sperm nuclei of the male gametophyte of flowering plants have flagella?
During pollination, the sperm of the male gametophyte are not flagellated because they generally do not move. They rely on the growth of a pollen tube to deliver them to the egg cell.
The male gametophyte in flowering plants will be found within the?
it is pollen
Where is the sperm located in gymnosperms?
In gymnosperms, the sperm cells are produced in the male gametophyte structure called a pollen grain. These sperm cells are carried to the female gametophyte structure, where fertilization occurs, typically by wind or insects.
