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In flowering plants, megaspores become the female gametophytes.
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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.
What structure directly precedes the development of both a male and female gametophyte?
The development of both a male and female gametophyte is preceded by meiosis, where a diploid sporophyte cell undergoes two rounds of division to produce haploid cells called spores. These spores then develop into the gametophytes through mitotic division.
Name the parts of an angiosperm flower in which development of male and female gametophyte take place?
In angiosperm flowers, the male gametophyte (pollen) develops in the anther, while the female gametophyte (ovule) develops in the ovary.
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.
Is the gametophyte not free living in bryophytes?
In bryophytes, the gametophyte is the dominant, free-living stage of the life cycle. It is the structure responsible for producing gametes and supporting fertilization. The gametophyte in bryophytes usually grows independently from the sporophyte, which is dependent on the gametophyte for nutrition and support.
What structure directly precedes the development of both a male and female gametophyte?
The development of both a male and female gametophyte is preceded by meiosis, where a diploid sporophyte cell undergoes two rounds of division to produce haploid cells called spores. These spores then develop into the gametophytes through mitotic division.
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.
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 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.
Do gametes become gametophyte?
No, gametes do not become gametophytes. Gametes are reproductive cells that fuse during fertilization to form a zygote, which then develops into a multicellular organism called a gametophyte in plants. Gametes are only involved in the process of sexual reproduction, while gametophytes are part of the plant's life cycle.
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.
Name the parts of an angiosperm flower in which development of male and female gametophyte take place?
In angiosperm flowers, the male gametophyte (pollen) develops in the anther, while the female gametophyte (ovule) develops in the ovary.
What do gametophytes produce?
Gametophytes produce gametes, which are reproductive cells that combine during fertilization to form a zygote. In plants, gametophytes also produce eggs and sperm cells.
How have the sporophyte and gametophyte changed as plants have evolved?
As plants evolved, sporophytes became the dominant phase of the life cycle and more complex, while gametophytes became reduced in size and importance. This shift allowed plants to adapt to various terrestrial environments and improve reproductive success.
The megaspore of a conifer will become?
The megaspore of a conifer will become the female gametophyte, which contains the egg cell. This structure is essential for fertilization and seed production in conifers.
What is the function of the spore of gymnosperms?
The function of the spore in gymnosperms is to serve as a reproductive structure that can develop into a gametophyte. The spore undergoes mitotic division to produce a multicellular gametophyte, which then produces the gametes (sperm or eggs). The fusion of these gametes gives rise to the development of the next generation of gymnosperms.
Which part of the life cycle does a pollen grain represent?
a male gametophyte
