Sexual Reproduction in Flowering Plants himanshu.pptx
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Meiosis occurs in the sporogenous tissue of plants, producing microspore mother cells that undergo microsporogenesis to form microspores clustered in tetrads. The microspores then separate and develop into pollen grains inside the anther, which dehisces and releases the pollen for pollination. In the ovule, a single megaspore mother cell undergoes megasporogenesis to form a functional megaspore that develops into the embryo sac containing seven cells and eight nuclei within the female gametophyte.
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NEET BIOLOGY part 3 by daleson
Angiosperm male reproductive structure , formation, function and mechanism
what is anther?
what is stamen and it's function?
what is micro spore, formation and mechanism?
what is pollen? where it is? function?
what is pollen grain? where it is? formation? function?
How do the megasporangium and megaspore in seed plants differ from p.pdf
How can you tell if an exponential model describes growth or decay? Give examples.
Solution
An exponential model is A = Pekt where P is the initial quantity/amount, A is the quantity after
time t and r is the constant of growth/decay. If k is positive, the model depicts growth and if k is
negative, the model represents decay.
In a case of continuous compounding of interest, k will be positive and will denote rate of
interest. Here k > 0 and the example is of exponential growth. Similarly, in a case of bacterial
growth, k will be positive and the model will represent exponential growth. However, in the case
of a radioactive substance, where the matter decays over time, k wiill be negative and the model
is of decay..
Sporogenesis& Gametogenesis.pptx
The document discusses plant reproduction processes including sporogenesis, gametogenesis, fertilization, and flower and seed development. Sporogenesis involves the production of microspores and megaspores through microsporogenesis and megasporogenesis. Gametogenesis then follows, where the spores undergo mitosis and differentiation to become gametes. Fertilization involves the fusion of male and female gametes, followed by development of the flower into fruit and seed.
How do the microsporangium and microspore in seed plants differ from.pdf
How do the microsporangium and microspore in seed plants differ from primitive heterosporous
plants?
Solution
Microsporangium and Microspores in seed plants:
Microspores are the first cells to form into the male gametophyte and give rise to pollen grains.
The megaspores are formed within the developing seed. Microsporangia develop in pairs toward
the bases of the scales. Each of the microsporocytes in the microsporangia undergoes meiosis,
producing four haploid microspores. These then develop into pollen grains and each grain
consists of four cells and a pair of external air sacs.
Primitive Heterosporous plants:
The small female gametophyte formed on germination of the megaspore produces one or few
archegonia in a very short time. The microspore also develops rapidly, and spermatozoids are
soon liberated from the male gametophyte..
Megasporogenesis
Megaspores are a type of spore found in heterosporous plants that germinate into a female gametophyte containing egg cells. Megasporogenesis is the formation of megaspores inside the ovule of seed plants. A diploid cell called the megasporocyte undergoes meiosis to form four haploid megaspores, though typically only one develops into a megagametophyte while the others disintegrate. This process of megaspore formation inside the ovule leads to the development of the embryo sac within the mature megagametophyte.
Sporogenesis and gametogenesis
This document summarizes the processes of sporogenesis and gametogenesis in plants. Sporogenesis involves the production of microspores and megaspores, which occurs through microsporogenesis in anthers and megasporogenesis in ovules. Gametogenesis then produces the male and female gametes. Microgametogenesis occurs through pollen development and tube growth, producing two sperm cells. Megagametogenesis involves mitotic divisions within the megaspore producing an embryo sac containing an egg cell. Fertilization occurs when a sperm fuses with the egg cell, forming a zygote, and the other sperm fuses with the secondary nucleus.
Sexual Reproduction in Flowering plants.pptx
This document provides information on the parts of a flower, including the stamen, anther, pollen grain, pistil, ovule, megasporogenesis, female gametophyte development, double fertilization, and post-fertilization events. It describes the structures and processes of the male and female reproductive parts in angiosperms, including microsporogenesis within the anther to form pollen grains, pollen germination and tube growth, fertilization through the fusion of sperm cells with the egg and central cells, and the development of the embryo and endosperm within the seed.
Reproductive system in plants
This document discusses reproduction in plants, including the different modes of reproduction (asexual and sexual), cell division processes (mitosis and meiosis), gamete formation, fertilization, and pollination. The key points are:
1. Reproduction can be asexual via vegetative propagation, or sexual which involves fusion of male and female gametes during pollination and fertilization.
2. Cell division occurs via mitosis, which duplicates DNA, or meiosis, which reduces chromosome number by half to form gametes.
3. Gamete formation involves microgametogenesis and megagametogenesis within pollen grains and embryo sacs respectively.
4. Fertil
Recommended
NEET BIOLOGY part 3 by daleson
Angiosperm male reproductive structure , formation, function and mechanism
what is anther?
what is stamen and it's function?
what is micro spore, formation and mechanism?
what is pollen? where it is? function?
what is pollen grain? where it is? formation? function?
How do the megasporangium and megaspore in seed plants differ from p.pdf
How can you tell if an exponential model describes growth or decay? Give examples.
Solution
An exponential model is A = Pekt where P is the initial quantity/amount, A is the quantity after
time t and r is the constant of growth/decay. If k is positive, the model depicts growth and if k is
negative, the model represents decay.
In a case of continuous compounding of interest, k will be positive and will denote rate of
interest. Here k > 0 and the example is of exponential growth. Similarly, in a case of bacterial
growth, k will be positive and the model will represent exponential growth. However, in the case
of a radioactive substance, where the matter decays over time, k wiill be negative and the model
is of decay..
Sporogenesis& Gametogenesis.pptx
The document discusses plant reproduction processes including sporogenesis, gametogenesis, fertilization, and flower and seed development. Sporogenesis involves the production of microspores and megaspores through microsporogenesis and megasporogenesis. Gametogenesis then follows, where the spores undergo mitosis and differentiation to become gametes. Fertilization involves the fusion of male and female gametes, followed by development of the flower into fruit and seed.
How do the microsporangium and microspore in seed plants differ from.pdf
How do the microsporangium and microspore in seed plants differ from primitive heterosporous
plants?
Solution
Microsporangium and Microspores in seed plants:
Microspores are the first cells to form into the male gametophyte and give rise to pollen grains.
The megaspores are formed within the developing seed. Microsporangia develop in pairs toward
the bases of the scales. Each of the microsporocytes in the microsporangia undergoes meiosis,
producing four haploid microspores. These then develop into pollen grains and each grain
consists of four cells and a pair of external air sacs.
Primitive Heterosporous plants:
The small female gametophyte formed on germination of the megaspore produces one or few
archegonia in a very short time. The microspore also develops rapidly, and spermatozoids are
soon liberated from the male gametophyte..
Megasporogenesis
Megaspores are a type of spore found in heterosporous plants that germinate into a female gametophyte containing egg cells. Megasporogenesis is the formation of megaspores inside the ovule of seed plants. A diploid cell called the megasporocyte undergoes meiosis to form four haploid megaspores, though typically only one develops into a megagametophyte while the others disintegrate. This process of megaspore formation inside the ovule leads to the development of the embryo sac within the mature megagametophyte.
Sporogenesis and gametogenesis
This document summarizes the processes of sporogenesis and gametogenesis in plants. Sporogenesis involves the production of microspores and megaspores, which occurs through microsporogenesis in anthers and megasporogenesis in ovules. Gametogenesis then produces the male and female gametes. Microgametogenesis occurs through pollen development and tube growth, producing two sperm cells. Megagametogenesis involves mitotic divisions within the megaspore producing an embryo sac containing an egg cell. Fertilization occurs when a sperm fuses with the egg cell, forming a zygote, and the other sperm fuses with the secondary nucleus.
Sexual Reproduction in Flowering plants.pptx
This document provides information on the parts of a flower, including the stamen, anther, pollen grain, pistil, ovule, megasporogenesis, female gametophyte development, double fertilization, and post-fertilization events. It describes the structures and processes of the male and female reproductive parts in angiosperms, including microsporogenesis within the anther to form pollen grains, pollen germination and tube growth, fertilization through the fusion of sperm cells with the egg and central cells, and the development of the embryo and endosperm within the seed.
Reproductive system in plants
This document discusses reproduction in plants, including the different modes of reproduction (asexual and sexual), cell division processes (mitosis and meiosis), gamete formation, fertilization, and pollination. The key points are:
1. Reproduction can be asexual via vegetative propagation, or sexual which involves fusion of male and female gametes during pollination and fertilization.
2. Cell division occurs via mitosis, which duplicates DNA, or meiosis, which reduces chromosome number by half to form gametes.
3. Gamete formation involves microgametogenesis and megagametogenesis within pollen grains and embryo sacs respectively.
4. Fertil
Embryology of Angiosperm, Development of Flower and Reproduction.pptx
1. The document describes the structure and development of male and female reproductive organs in angiosperms. It discusses the formation of microspores through microsporogenesis and megaspores through megasporogenesis.
2. Key parts of the flower are described like stamen, anther, and carpels. Processes like microsporogenesis and development of pollen grains and male gametophyte are summarized.
3. Structure of ovule, types of ovules and development of embryo sac through megasporogenesis are highlighted. Fertilization process where pollen lands on stigma and pollen tube enters embryo sac is briefly explained.
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This document provides an overview of angiosperm embryology, including:
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- Anther and ovule development, including formation of protective layers and meiotic divisions producing microspores and megaspores.
- Microgametogenesis and megagametogenesis, where spores develop into pollen grains or the embryo sac containing eggs.
- Double fertilization, where one sperm fuses with the egg and the other with polar nuclei to form the triploid endosperm.
- Embryo and seed development from the zygote and endos
Microsporogenesis
The document summarizes microsporogenesis, the development of the male gametophyte, and pollen morphology. It describes the structure of the anther and the development of microspores through meiosis within the microsporangia. The tapetum layer provides nutrients and enzymes that help separate microspores into pollen grains. Pollen grains contain a vegetative cell that divides to form two sperm cells or a generative cell that divides into two sperm, comprising the male germ unit that travels within the pollen tube. Pollen grains have an outer sculpted exine layer and inner intine layer. Their size, symmetry, and exine ornamentation vary between species.
Fertilization in plant .ppt
Fertilization in flowering plants involves a double fertilization process. The pollen grain contains two sperm cells that travel down the pollen tube. One sperm cell fertilizes the egg cell to form a zygote, while the second sperm cell fertilizes the two polar nuclei to form the endosperm. This double fertilization results in the formation of an embryo from the zygote and endosperm to nourish the developing seed. The ovary then develops into a fruit containing one or more seeds formed from the fertilized ovules.
Chap39
1) The document discusses plant reproduction, including sexual reproduction in flowering plants.
2) It describes the key parts of flowers and their roles in reproduction, including carpels, stamens, pollen, and the embryo sac.
3) It explains the process of double fertilization in most flowering plants, where one sperm cell fuses with the egg cell to form a zygote, and the other fuses with the central cell to form the endosperm.
Microsporogensis
This document describes the structure and development of the anther and pollen grain. It contains the following key points:
1. The anther has four microsporangia surrounded by four layers - epidermis, endothecium, middle layers, and tapetum. The tapetum nourishes developing pollen grains.
2. Microsporogenesis occurs as microspore mother cells in the sporogenous tissue undergo meiosis to form microspore tetrads.
3. Mature pollen grains contain a vegetative cell and generative cell. The generative cell can divide to form two sperm cells ready for fertilization.
Sexual reproduction in angiosperm(microsporogenesis)
This document summarizes the process of microsporogenesis and microgametogenesis in angiosperms. Microsporogenesis involves the formation of microspores (pollen grains) from microspore mother cells within the anther through meiosis. The anther contains four layers surrounding the pollen sacs: epidermis, endothecium, middle layer, and tapetum. During microgametogenesis, the pollen grain germinates and its nucleus divides to form a vegetative cell and generative cell. The generative cell then divides into two sperm cells that are delivered to the female gametophyte via a pollen tube.
Fertilization in Flowering Plants
Fertilization is the process of fusion of the female gamete, the ovum or egg and the male gamete produced in the pollen tube by the pollen grain. Fertilization in flowering plants was discovered by Strassburger in 1884.
Flowers are the reproductive structures of angiosperms. They vary greatly physically and are of great diversity in methods of reproduction. The process of fertilization in plants occurs when gametes in haploid conditions meet to create a zygote which is diploid.
The male gametes of the flower are transferred on to the female reproductive organs through pollinators. The final product of this process is the formation of embryo in a seed.
In this lesson you will learn about :
1) What is Fertilization?
2) The Pollen Grain (Male Gamete)
3) The Ovule (Containing Female Gamete)
4) Microsporogenesis and Megasporogenesis
5) Germination of Pollen Grain
6) Double Fertilization
7) Post Fertilization Events
I hope this document is helpful to you. Please share the document with your friends if you think this will benefit them. Get ready for the next lesson. Thanks.
Heterospory _ Seed Habit PPT 2 (1) (1).pptx
EVOLUTION OF SEED HABIT
Birbal Sahni Institute of Palaeosciences
lucknow
130 ovule development revised
Microsporogenesis and microgametogenesis involve the formation of microspores and their development into pollen grains containing sperm cells. A key gene involved is QUARTET (QRT), which functions to degrade pectin and allow separation of microspores from the tetrad. Pollen grains contain two cells - a vegetative cell and generative cell.
Ovule development involves the formation of integuments around the nucellus. A megaspore mother cell differentiates and undergoes meiosis to form a linear tetrad. The functional megaspore then undergoes three mitotic divisions to form an eight-nucleate embryo sac containing three antipodals, two synergids, two
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Mode of reproduction
The document discusses the different modes of reproduction in plants. It describes sexual reproduction, which involves the fusion of male and female gametes to form embryos. The processes of sporogenesis, gametogenesis, fertilization, and endosperm development are explained. Asexual reproduction is also covered, including natural and artificial vegetative reproduction using plant parts, as well as apomixis where embryos develop without fertilization. The key types of each mode are defined in the summary.
Modes of reproduction in crop plants
The modes of reproduction in crop plants may be broadly grouped into two categories: asexual and sexual.
Sexual reproduction involves the fusion of male and female gametes, whereas in asexual reproduction new plants may develop from vegetative parts of the plant (vegetative reproduction) or may arise from embryos that develop without fertilization (apomixis).
Female gametophyte
This slide shows the information about gameophyte.
there are two type of gametophyte
1) male gameetophyte
2)female gametophyte
we only discussed about the female gametophyte. it has megagametogenesis and different kind of embryo secs and their discription are also their in the slide.
Microsporogenisis
This document summarizes the process of microsporogenesis. It begins with a microsporocyte or pollen mother cell inside the microsporangia undergoing meiosis to form four haploid microspores. The microspores then develop into pollen grains with one nucleus each. Inside the pollen grain, the nucleus divides unequally forming a generative cell and tube cell. The generative cell further divides to form the male gametes while the tube cell forms the pollen tube. Overall, microsporogenesis involves meiosis within the anther to produce haploid microspores that develop into pollen grains containing the male gametophyte.
130 anther dev, ovule dev.revised
Microsporogenesis and microgametogenesis occur within the anther, resulting in the production of pollen grains containing sperm cells. Key events include the development of microspores from microspore mother cells via meiosis, the formation of an outer exine and inner intine layer around each microspore, and the mitotic division of each microspore into a larger vegetative cell and a smaller generative cell containing the sperm. Similarly, megasporogenesis and megagametogenesis occur within the ovule, leading to the formation of an embryo sac containing egg and synergid cells through mitotic divisions following meiosis of the megaspore mother cell.
MICROBES.pptx
This document summarizes the process of sexual reproduction in flowering plants. It discusses sporogenesis, gametogenesis, pollination, fertilization, and embryogenesis. Specifically, it describes:
1. Male gamete formation through microsporogenesis within the anther and the development of pollen grains containing vegetative and generative cells that give rise to sperm cells.
2. Female gamete formation through megasporogenesis within the ovule leading to the development of an eight-celled embryo sac containing an egg cell and polar nuclei.
3. The process of pollination whereby pollen grains are transferred to the stigma and pollen tubes carry sperm cells to fertilize egg and polar cells
More Related Content
Similar to Sexual Reproduction in Flowering Plants himanshu.pptx
Embryology of Angiosperm, Development of Flower and Reproduction.pptx
1. The document describes the structure and development of male and female reproductive organs in angiosperms. It discusses the formation of microspores through microsporogenesis and megaspores through megasporogenesis.
2. Key parts of the flower are described like stamen, anther, and carpels. Processes like microsporogenesis and development of pollen grains and male gametophyte are summarized.
3. Structure of ovule, types of ovules and development of embryo sac through megasporogenesis are highlighted. Fertilization process where pollen lands on stigma and pollen tube enters embryo sac is briefly explained.
Sporogenesis, Gametogenesis, Fertilization & Seed Development.pdf
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Daisy Capon is a PhD student studying crop science. Her research focuses on angiosperm seed formation and development. She outlines the key stages of male and female gametophyte development, including microsporogenesis, microgametogenesis, megasporogenesis, and megagametogenesis. She then discusses seed formation, including the roles of the integuments, nucellus, and embryo sac. The structures and development of plant embryos are also examined, from fertilization through the cotyledon, hypocotyl, and radicle stages. Finally, she analyzes the chemical composition of seeds and factors that affect it.
Fertilzation and Gametogenesis in Flowering plants
Fertilzation and Gametogenesis , Megasporogenesis,pollen grain, double fertilization, embryosac, comparision.
An introduction to embryology of angiosperms
This document provides an overview of angiosperm embryology, including:
- Sporogenesis and gametogenesis, which produce haploid spores and gametes from diploid tissues in the anther and ovary.
- Anther and ovule development, including formation of protective layers and meiotic divisions producing microspores and megaspores.
- Microgametogenesis and megagametogenesis, where spores develop into pollen grains or the embryo sac containing eggs.
- Double fertilization, where one sperm fuses with the egg and the other with polar nuclei to form the triploid endosperm.
- Embryo and seed development from the zygote and endos
Microsporogenesis
The document summarizes microsporogenesis, the development of the male gametophyte, and pollen morphology. It describes the structure of the anther and the development of microspores through meiosis within the microsporangia. The tapetum layer provides nutrients and enzymes that help separate microspores into pollen grains. Pollen grains contain a vegetative cell that divides to form two sperm cells or a generative cell that divides into two sperm, comprising the male germ unit that travels within the pollen tube. Pollen grains have an outer sculpted exine layer and inner intine layer. Their size, symmetry, and exine ornamentation vary between species.
Fertilization in plant .ppt
Fertilization in flowering plants involves a double fertilization process. The pollen grain contains two sperm cells that travel down the pollen tube. One sperm cell fertilizes the egg cell to form a zygote, while the second sperm cell fertilizes the two polar nuclei to form the endosperm. This double fertilization results in the formation of an embryo from the zygote and endosperm to nourish the developing seed. The ovary then develops into a fruit containing one or more seeds formed from the fertilized ovules.
Chap39
1) The document discusses plant reproduction, including sexual reproduction in flowering plants.
2) It describes the key parts of flowers and their roles in reproduction, including carpels, stamens, pollen, and the embryo sac.
3) It explains the process of double fertilization in most flowering plants, where one sperm cell fuses with the egg cell to form a zygote, and the other fuses with the central cell to form the endosperm.
Microsporogensis
This document describes the structure and development of the anther and pollen grain. It contains the following key points:
1. The anther has four microsporangia surrounded by four layers - epidermis, endothecium, middle layers, and tapetum. The tapetum nourishes developing pollen grains.
2. Microsporogenesis occurs as microspore mother cells in the sporogenous tissue undergo meiosis to form microspore tetrads.
3. Mature pollen grains contain a vegetative cell and generative cell. The generative cell can divide to form two sperm cells ready for fertilization.
Sexual reproduction in angiosperm(microsporogenesis)
This document summarizes the process of microsporogenesis and microgametogenesis in angiosperms. Microsporogenesis involves the formation of microspores (pollen grains) from microspore mother cells within the anther through meiosis. The anther contains four layers surrounding the pollen sacs: epidermis, endothecium, middle layer, and tapetum. During microgametogenesis, the pollen grain germinates and its nucleus divides to form a vegetative cell and generative cell. The generative cell then divides into two sperm cells that are delivered to the female gametophyte via a pollen tube.
Fertilization in Flowering Plants
Fertilization is the process of fusion of the female gamete, the ovum or egg and the male gamete produced in the pollen tube by the pollen grain. Fertilization in flowering plants was discovered by Strassburger in 1884.
Flowers are the reproductive structures of angiosperms. They vary greatly physically and are of great diversity in methods of reproduction. The process of fertilization in plants occurs when gametes in haploid conditions meet to create a zygote which is diploid.
The male gametes of the flower are transferred on to the female reproductive organs through pollinators. The final product of this process is the formation of embryo in a seed.
In this lesson you will learn about :
1) What is Fertilization?
2) The Pollen Grain (Male Gamete)
3) The Ovule (Containing Female Gamete)
4) Microsporogenesis and Megasporogenesis
5) Germination of Pollen Grain
6) Double Fertilization
7) Post Fertilization Events
I hope this document is helpful to you. Please share the document with your friends if you think this will benefit them. Get ready for the next lesson. Thanks.
Heterospory _ Seed Habit PPT 2 (1) (1).pptx
EVOLUTION OF SEED HABIT
Birbal Sahni Institute of Palaeosciences
lucknow
130 ovule development revised
Microsporogenesis and microgametogenesis involve the formation of microspores and their development into pollen grains containing sperm cells. A key gene involved is QUARTET (QRT), which functions to degrade pectin and allow separation of microspores from the tetrad. Pollen grains contain two cells - a vegetative cell and generative cell.
Ovule development involves the formation of integuments around the nucellus. A megaspore mother cell differentiates and undergoes meiosis to form a linear tetrad. The functional megaspore then undergoes three mitotic divisions to form an eight-nucleate embryo sac containing three antipodals, two synergids, two
Presentation on microsporogenesis and megasporogenesis
This document summarizes microsporogenesis and megasporogenesis in plants. Microsporogenesis is the formation of microspores inside the microsporangia of seed plants. A microspore mother cell undergoes meiosis to form four haploid microspores, each developing into a pollen grain. Megasporogenesis occurs in the ovule and involves a megasporocyte undergoing meiosis to form megaspores, with one functional megaspore developing into the female gametophyte through megagametogenesis. Angiosperms exhibit different patterns of megasporogenesis resulting in varying numbers of megaspores and nuclei. The document also provides details on the structure and development of anthers
Mode of reproduction
The document discusses the different modes of reproduction in plants. It describes sexual reproduction, which involves the fusion of male and female gametes to form embryos. The processes of sporogenesis, gametogenesis, fertilization, and endosperm development are explained. Asexual reproduction is also covered, including natural and artificial vegetative reproduction using plant parts, as well as apomixis where embryos develop without fertilization. The key types of each mode are defined in the summary.
Modes of reproduction in crop plants
The modes of reproduction in crop plants may be broadly grouped into two categories: asexual and sexual.
Sexual reproduction involves the fusion of male and female gametes, whereas in asexual reproduction new plants may develop from vegetative parts of the plant (vegetative reproduction) or may arise from embryos that develop without fertilization (apomixis).
Female gametophyte
This slide shows the information about gameophyte.
there are two type of gametophyte
1) male gameetophyte
2)female gametophyte
we only discussed about the female gametophyte. it has megagametogenesis and different kind of embryo secs and their discription are also their in the slide.
Microsporogenisis
This document summarizes the process of microsporogenesis. It begins with a microsporocyte or pollen mother cell inside the microsporangia undergoing meiosis to form four haploid microspores. The microspores then develop into pollen grains with one nucleus each. Inside the pollen grain, the nucleus divides unequally forming a generative cell and tube cell. The generative cell further divides to form the male gametes while the tube cell forms the pollen tube. Overall, microsporogenesis involves meiosis within the anther to produce haploid microspores that develop into pollen grains containing the male gametophyte.
130 anther dev, ovule dev.revised
Microsporogenesis and microgametogenesis occur within the anther, resulting in the production of pollen grains containing sperm cells. Key events include the development of microspores from microspore mother cells via meiosis, the formation of an outer exine and inner intine layer around each microspore, and the mitotic division of each microspore into a larger vegetative cell and a smaller generative cell containing the sperm. Similarly, megasporogenesis and megagametogenesis occur within the ovule, leading to the formation of an embryo sac containing egg and synergid cells through mitotic divisions following meiosis of the megaspore mother cell.
MICROBES.pptx
This document summarizes the process of sexual reproduction in flowering plants. It discusses sporogenesis, gametogenesis, pollination, fertilization, and embryogenesis. Specifically, it describes:
1. Male gamete formation through microsporogenesis within the anther and the development of pollen grains containing vegetative and generative cells that give rise to sperm cells.
2. Female gamete formation through megasporogenesis within the ovule leading to the development of an eight-celled embryo sac containing an egg cell and polar nuclei.
3. The process of pollination whereby pollen grains are transferred to the stigma and pollen tubes carry sperm cells to fertilize egg and polar cells
Similar to Sexual Reproduction in Flowering Plants himanshu.pptx (20)
Embryology of Angiosperm, Development of Flower and Reproduction.pptx
Embryology of Angiosperm, Development of Flower and Reproduction.pptx
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