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What is the embryo sac in a flower?
The embryo sac is the female gametophyte in a flower. It is located within the ovule and contains the egg cell, synergids, and antipodal cells. The embryo sac plays a crucial role in the process of fertilization in plants.
Why can we say that the embryo sac is the female gametophyte of flowering plants?
The embryo sac is considered the female gametophyte in flowering plants because it develops from a megaspore through mitotic divisions and gives rise to the egg cells and other supportive cells necessary for fertilization and seed production. Just like the male gametophyte (pollen grain) produces sperm cells, the embryo sac produces egg cells for sexual reproduction.
Is an embryo male or female?
In the early stages of development, an embryo's sex is not yet determined. The sex of the embryo is determined by the presence or absence of a Y chromosome from the father. Once the sex chromosomes are determined, the embryo will develop into a male or female.
During embryo sac formation what happens?
During embryo sac formation in plants, the megaspore mother cell undergoes meiosis to produce four haploid cells. One of these cells develops into the embryo sac, which contains the egg cell, central cell, and other supporting cells. The embryo sac is a crucial step in the development of the female gametophyte in plants.
What is the relationship between the number of cells within an embryo sac and the number of nuclei within the embryo sac?
The number of cells within an embryo sac is typically equal to the number of nuclei within the embryo sac. This is because each cell of the embryo sac contains one nucleus, and during the process of embryo sac development, the number of cells and nuclei increase concurrently.
What is the embryo sac in a flower?
The embryo sac is the female gametophyte in a flower. It is located within the ovule and contains the egg cell, synergids, and antipodal cells. The embryo sac plays a crucial role in the process of fertilization in plants.
Why can we say that the embryo sac is the female gametophyte of flowering plants?
The embryo sac is considered the female gametophyte in flowering plants because it develops from a megaspore through mitotic divisions and gives rise to the egg cells and other supportive cells necessary for fertilization and seed production. Just like the male gametophyte (pollen grain) produces sperm cells, the embryo sac produces egg cells for sexual reproduction.
Is an embryo male or female?
In the early stages of development, an embryo's sex is not yet determined. The sex of the embryo is determined by the presence or absence of a Y chromosome from the father. Once the sex chromosomes are determined, the embryo will develop into a male or female.
What is the process of fertilization in flowering plants by which new seeds are formed?
In Angiosperms the pollen tube pierces the wall of the embryo sac and releases two male gametes. One of these male gametes fuses with the egg to form the zygote and the other to the secondary nucleus to form the endosperm. the developing embryo is nourished by the endosperm. A fully developed embryo remains in the ovule and the latter is converted in to the seed. In gymnosperms the female gametophyte nourishes the develoing embryo instead of endosperm and the embryo develops from the zygote inside the archegonium instead of embryo sac.
During embryo sac formation what happens?
During embryo sac formation in plants, the megaspore mother cell undergoes meiosis to produce four haploid cells. One of these cells develops into the embryo sac, which contains the egg cell, central cell, and other supporting cells. The embryo sac is a crucial step in the development of the female gametophyte in plants.
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 is the fate of embryo in the embryo sac?
no
What is the protective sac around the developing embryo or fetus is the?
The protective sac around the embryo or fetus is the amniotic sac.
What is the relationship between the number of cells within an embryo sac and the number of nuclei within the embryo sac?
The number of cells within an embryo sac is typically equal to the number of nuclei within the embryo sac. This is because each cell of the embryo sac contains one nucleus, and during the process of embryo sac development, the number of cells and nuclei increase concurrently.
What determines whether an embryo will become male or female?
The sex of an embryo is determined by the presence or absence of a Y chromosome. If the embryo has a Y chromosome, it will develop as male. If no Y chromosome is present, the embryo will develop as female.
What is a ovule part of the female flower?
The ovule is the part of the flower where the embryo sac is housed, and the embryo sac contains the female gamete (egg), which, when fertilized by the sperm in a pollen grain, will produce a zygote. What was once a flower will become a fruit. The zygote develops in the ovule, and forms the seed, which will eventually be dispersed from the fruit to start a new generation. So, the ovule is analogous to the pollen: one contains the female gamete, and the other contains the male gamete.
What does the embryo get half from the female and half from the male?
The embryo receives half of its chromosomes from the female's egg and half from the male's sperm. This genetic material combines to form the unique set of DNA that determines the embryo's traits and characteristics.
