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Gametophyte generation
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All plants have a life cycle that is characterized by?
Mitosis and meiosis alternate to produce the two twypes of reproductive cells-- gametes and spores
Whats the main purupose of mitosis versus meiosis?
The main purpose of mitosis is to produce 2 identical daughter cells while the purpose of meiosis is for a cell to divide and produce 4 gamete cells that are necessary for reproduction.
What role do germ cells play in gametogenesis?
They produce cells that divide by mitosis and then undergo meiosis to form gametes.
How many spores does a basidium produce?
4 spores
Do only cells that go through sexual reproduction go through meiosis?
No, it only seems that way to people whose knowledge of biology is confined to humans!In all plants, for example, meiosis produces spores, which divide a number of times by mitosis to produce a gametophyte. This can be substantial, as in many lower plants, or microscopic, as in flowering plants.The gametophyte produces gametes (sex cells) by mitosis and differentiation.
Why must meiosis and mitosis be used to produce gametes?
Meiosis and not mitosis must be used to produce gamete. This is because meiosis produces spores that are used for reproduction and can form similar copies to the parent cell.
Must spores occur in mitosis?
yes , it is essential for mitosis to occur in an amoeba in order for the cells to reproduce
Are spores in the sporangia produced by mitosis or meiosis?
mitosis
Why doesnt mitosis alone produce daughter cells?
Mitosis alone does not produce daughter cells because the cytoplasm has to divide. This is called cytokinesis and it happens at the end of telophase.
Are mold spores N or 2N?
the answer is N. Spores grow gametophytes that produce a haploid gamete through mitosis once fertilization occurs the product is a zygote that is 2n which will grow into a sporophyte that produces spores through meiosis.
All plants have a life cycle that is characterized by?
Mitosis and meiosis alternate to produce the two twypes of reproductive cells-- gametes and spores
What produces diploids?
Mitosis. All body cells must produce diploid cells, and therefore all body cells use mitosis to divide.
How do you briefly explain the growth stage of spore-producing organisms?
Growth of the organism happens by mitosis. Moisture helps the cells divide. However, the spores must also be attached to something that will provide food for them. They cannot produce their own food. When the spore has enough moisture and food provided for it, mitosis continues and the spore grows into an adult organism.
Why must meiosis and not be used to produce gametes?
Meiosis and not mitosis must be used to produce gamete. This is because meiosis produces spores that are used for reproduction and can form similar copies to the parent cell.
What species does not produce spores?
Capsella bursa-pastoris does not produce spores.
How do the two alternating generations of the plant life cycle differ?
The sporophyte 2n is paired and they produce spores by meiosis, and the gametophytes nn are not paired and produce gametes by mitosis.
Whats the main purupose of mitosis versus meiosis?
The main purpose of mitosis is to produce 2 identical daughter cells while the purpose of meiosis is for a cell to divide and produce 4 gamete cells that are necessary for reproduction.
